A bad earplug fit is sneaky: it can look correct, feel “fine,” and still let sound slip through like a mouse under a pantry door. If you wear earplugs for concerts, rehearsals, yard work, sleep, shooting ranges, motorcycles, or loud jobs, the problem is simple but annoying: you need protection you can actually trust. Today, in about 15 minutes, you can run a practical DIY earplug fit test at home, learn which signals matter, and understand where home checks stop being reliable. The goal is not perfection. The goal is fewer guessing games, safer ears, and less foam-wrangling drama.
Fast Answer: What a Home Fit Test Can Tell You
A DIY earplug fit test at home can help you spot obvious leaks, poor insertion, wrong sizing, seal breaks during jaw movement, and earplugs that loosen over time. It can also compare one earplug against another in a practical way. It cannot confirm your exact noise reduction, replace a professional fit test, or prove that you are protected in high-risk noise.
The home version is useful because most fit failures are not mysterious. They are small, ordinary things: foam not inserted deeply enough, flanges too large, a plug slowly backing out, or one ear canal being the fussy aristocrat of the pair. I once watched a drummer carefully insert two foam plugs before rehearsal; the left one seated beautifully, the right one sat there like a cork on a bottle it did not respect.
- Trust repeated patterns more than one good result.
- Compare left and right ears separately.
- Use speech, hum, movement, and time checks together.
Apply in 60 seconds: Insert both earplugs, read one paragraph aloud, then open your jaw wide three times and notice whether either side suddenly sounds brighter.
The Big Difference: “Seems Quiet” vs “Is Protected”
Quiet is a feeling. Protection is a measured outcome. Those two overlap, but they are not twins. A plug can make the world sound muffled while still leaking enough noise to matter, especially in loud environments with impulse peaks or long exposure times.
This matters for musicians, industrial workers, motorcycle riders, lawn-care regulars, and anyone who keeps saying, “It was only loud for a few minutes.” The ear has a terrible accounting department. It remembers totals, peaks, and repetition.
The One-Sentence Rule
If your earplug fit changes when you talk, chew, smile, sing, yawn, sweat, or turn your head, it is not a fit you should blindly trust. That rule is blunt, but it saves people from a lot of heroic denial.
For deeper reading on how movement can change real-world protection, see this related guide on chewing, talking, and singing while measuring earplug fit.
Safety First: Ears Are Not Test Equipment
This article is educational and practical, not medical advice. If you have ear pain, drainage, sudden hearing change, dizziness, ringing that appears or worsens, a known eardrum issue, ear tubes, recent ear surgery, or frequent infections, do not force earplugs or run aggressive home experiments. Ask a qualified clinician, audiologist, or occupational hearing professional.
OSHA and NIOSH both treat hearing protection seriously because loud noise can cause permanent hearing loss. The CDC also provides public health education on noise-induced hearing loss. The calm version: ears do not send invoices before damage happens. They often send the bill later, in the form of tinnitus, muffled speech, or that sad little “what?” at dinner.
Do Not Use Pain as a Fit Strategy
A good seal should feel secure, not sharp. Foam plugs can create pressure. Flanged plugs can feel snug. Custom plugs may feel present. But pain, scraping, burning, or deep discomfort is a stop sign.
One reader once described a triple-flange plug as “technically quiet but emotionally illegal.” That is a useful review. Protection you cannot tolerate is protection you will not wear long enough to matter.
Be Extra Careful With High-Risk Noise
Home checks are not enough for gunfire, fireworks work, industrial noise, aviation, motorsports, construction, chainsaws, or any setting where hearing protection is required by policy. In those cases, use proper workplace procedures and professional fit testing when available.
For music-specific risk, you may also want to read how to de-rate NRR for live music, because labeled ratings can feel tidy while real ears behave like small caves with opinions.
Who This Is For / Not For
This guide is for people who want a practical, no-lab way to check whether their earplugs are seated well enough for ordinary decisions. It is especially useful if you keep switching plugs, wear them for music, sleep, commuting, DIY tools, concerts, or rehearsal spaces, or notice that one ear always seems leakier than the other.
This Is For You If
- You wear foam, silicone, flanged, filtered, musician, or custom-style earplugs.
- You want to compare two or three options before buying more.
- Your earplugs fall out, itch, loosen, or sound uneven.
- You are not sure whether the Noise Reduction Rating on the package matches your real life.
- You want a repeatable home routine before rehearsals, yard work, travel, or sleep.
This Is Not For You If
- You need documented compliance for workplace hearing conservation.
- You are exposed to dangerous impulse noise or very high sustained noise.
- You have active ear symptoms that need medical review.
- You need an exact personal attenuation number.
- You are deciding whether to skip required hearing protection.
| Situation | Home DIY Check | Professional Fit Test |
|---|---|---|
| Sleeping next to traffic or a snoring partner | Useful | Usually optional |
| Concert attendance | Useful for comfort and seal checks | Helpful for frequent exposure |
| Workplace noise program | Not enough alone | Recommended or required by employer policy |
| Shooting range or impulse peaks | Only a pre-check | Strongly preferred |
The 15-Minute DIY Earplug Fit Test Method
The best at-home fit test is not one trick. It is a small circuit: visual check, insertion check, speech check, hum check, movement check, and time check. Each test catches a different kind of failure. Together, they give you a better map.
Visual Guide: The 15-Minute Home Fit Loop
Use the correct technique for your plug type and test each ear separately.
Check speech, hum, room noise, and left-right balance.
Talk, chew, smile, yawn, and turn your head to expose leaks.
Recheck after 10 minutes because some plugs slowly migrate.
Step 1: Wash, Dry, and Reset
Clean hands matter. Earplugs go into a delicate place, not a garage toolbox drawer. Wash and dry your hands first, especially with foam plugs. If your ears are wet, oily, or full of lotion, the seal may act like it signed a short-term lease.
Use a quiet room. Turn off the TV, fan, and music. You want a stable baseline. If the refrigerator hum is the loudest sound, congratulations, you have found the domestic laboratory.
Step 2: Insert Each Ear Correctly
For foam plugs, roll the plug into a smooth, narrow cylinder. Reach over your head with the opposite hand and gently pull the top of your ear up and back. Insert the compressed plug and hold it while it expands. Many people release too soon, and the plug expands halfway out.
For flanged plugs, do not jam. Gently insert until the flanges seal. For filtered musician plugs, align them according to the product design. For custom plugs, seat them with the correct rotation. If the plug has a left and right marker, believe it. Tiny letters on silicone are annoying, but they are not decorative confetti.
Step 3: Run the Voice Check
Read a paragraph out loud. Your voice should sound more internal, lower, or more “inside your head.” That is called the occlusion effect. It can be strange, especially if you are a singer, but it often indicates that the ear canal is sealed.
If one ear hears your voice much more externally than the other, suspect a leak. Remove and reinsert the weaker side. Do not simply push it harder. Pushing can irritate the ear and may not fix the angle.
Step 4: Use the Hum Check
Hum gently with your lips closed. A sealed ear often makes your hum sound louder inside that ear. Compare left and right. If one side has almost no internal hum effect, it may not be sealed.
This is not a lab test. It is more like tapping a melon at the grocery store: useful when repeated, ridiculous if treated as sacred science.
Step 5: Add Movement
Talk for 20 seconds. Open your jaw wide. Chew imaginary gum. Smile. Turn your head left and right. Nod. If you are a singer, sing a gentle vowel at a comfortable volume. If the world suddenly gets brighter or sharper in one ear, the seal broke.
Musicians should pay special attention here. A plug that passes while standing silently may fail during singing, brass playing, or long rehearsals. For more on that exact problem, see why jaw movement breaks the seal for singers.
Step 6: Wait 10 Minutes
Leave the plugs in for 10 minutes while you move normally. Then repeat the voice and hum checks. Some earplugs creep outward slowly, especially in small ear canals, sweaty conditions, or ears with sharper bends.
I once had a pair of foam plugs that felt perfect for eight minutes and then slowly staged a silent escape. No drama, no pop, just a gradual return of room noise. The earplug version of leaving a party without saying goodbye.
Step 7: Compare Options on the Same Day
Do not compare one plug today and another next week after coffee, yard work, and a mild existential fog. Test two or three options in the same room, on the same day, using the same steps. Write quick notes.
| Earplug | Voice Check | Movement Check | 10-Minute Check | Comfort |
|---|---|---|---|---|
| Foam A | Strong internal voice | Left leak while chewing | Right stayed sealed | Pressure after 8 minutes |
| Flanged B | Even but less muffled | Stable | Stable | Good for 30 minutes |
What You Can Trust From a Home Earplug Test
A home fit test can be surprisingly useful when you treat it as a pattern detector. It can show which ear is harder to seal, which plug type stays put, whether movement breaks the seal, and whether comfort problems will sabotage long wear.
You Can Trust Left-Right Differences
If your right ear repeatedly sounds less sealed than your left, that is a real clue. Ear canals are not manufactured parts. One may be narrower, bendier, drier, oilier, or more sensitive. This is normal. Annoying, yes. Normal, also yes.
Small ear canals deserve special care. Oversized foam can wrinkle instead of sealing. For that rabbit hole, this guide on foam tips for small ear canals is especially relevant.
You Can Trust Movement Failures
If the seal breaks when you chew, sing, speak, or smile, that result is meaningful. Real life is not a statue contest. You need a plug that survives the way you actually use your face.
One vocalist told me her earplugs were great “as long as I didn’t perform.” That is funny for four seconds and then deeply useful. The right test must match the real use.
You Can Trust Comfort Limits
If a plug hurts after 10 minutes at home, it will not magically become kind during a two-hour concert or a long mowing session. Comfort is not a luxury variable. It is part of protection because discomfort makes people loosen, remove, or “just take one side out for a second.” That second has a way of becoming the whole chorus.
You Can Trust Repeatability
A single pass is not enough. Three passes on different days tell a better story. If one earplug gives a stable result every time, and another passes only when Jupiter has good posture, choose the boring reliable one.
- Test both ears separately.
- Retest after normal jaw and head movement.
- Repeat on at least three different days if the decision matters.
Apply in 60 seconds: Make a note called “Earplug fit” on your phone and rate each ear 1 to 5 after your next test.
What You Cannot Trust Without Proper Fit Testing
Home testing has limits. It cannot tell you your true personal attenuation rating, confirm the manufacturer’s NRR for your ears, or guarantee protection in high-noise settings. It also cannot detect every frequency-specific leak.
You Cannot Trust the Package Rating as Your Personal Result
The Noise Reduction Rating is a lab-based number. It is useful, but it is not a receipt for your exact ear. Real-world protection depends on insertion, ear anatomy, plug type, movement, training, and time worn.
For a deeper explanation, read why 33 NRR earplugs do not automatically mean maximum real-world protection.
You Cannot Trust a Phone App as a Precision Meter
Phone microphones are not calibrated hearing-protection instruments. Room acoustics, speaker direction, microphone limits, sound processing, and background noise can distort results. A phone can help you compare rough changes, but it cannot certify protection.
A practical use: play the same low-volume pink noise or fan noise and compare whether one plug leaks obviously more than another. A bad use: trying to calculate exact decibel reduction from a phone reading and then making safety decisions with it. That is measuring soup with a sundial.
You Cannot Trust the “Muffled Enough” Feeling
Muffled sound can be deceptive. Low frequencies may still pass through. High frequencies may be reduced more than speech frequencies. Bone conduction also means you will still hear some internal and external sound even with a strong seal.
You Cannot Trust One Quiet Room Test for Loud Events
A home room is gentle. A drum room, factory, mower, motorcycle helmet, or range is not gentle. If the environment is loud enough to require serious hearing protection, your home test is a screening step, not the final judge.
Show me the nerdy details
Professional earplug fit testing may use methods such as real-ear attenuation at threshold or microphone-in-real-ear approaches. These methods estimate how much sound reduction a person actually gets from a specific protector in a specific ear. Home checks rely on subjective cues such as occlusion, perceived loudness, and seal stability. Those cues are useful for catching gross problems, but they cannot measure frequency-specific attenuation or produce a documented personal attenuation rating.
For method differences, this internal explainer on REAT vs MIRE fit testing pairs well with this article.
Fit Problems by Earplug Type
Different earplugs fail in different ways. The right DIY test depends on what you are wearing. Foam, flanged, silicone putty, filtered musician plugs, and custom plugs all have their own little personality file.
Foam Earplugs
Foam plugs usually fail because they are not rolled tightly, not inserted deeply enough, released too early, or too large for the ear canal. A properly inserted foam plug often leaves only a small visible end outside the canal. If it looks like a bright orange mushroom outside your ear, the plug may be attending the event more than protecting you from it.
Foam also varies by density and expansion speed. Slow expansion gives you more time to insert. Fast expansion can be convenient, but it punishes hesitation. For more detail, see foam density and expansion speed.
Flanged Earplugs
Flanged plugs can be reusable and easy to insert, but the stem angle and flange size matter. If the plug presses painfully, it may be too large or inserted at the wrong angle. If it feels loose, it may be too small or not seated past the first bend.
During your home test, flanged plugs should stay stable when you speak and chew. If one side clicks, shifts, or squeaks, remove and reseat it.
Filtered Musician Earplugs
Filtered plugs are designed to reduce sound while preserving more clarity than standard foam. They are popular with musicians, concertgoers, teachers, and venue workers. The trick is that a small leak can defeat the filter’s intended response.
If music sounds oddly bright in one ear or vocals jump around when you move your jaw, suspect fit, not necessarily the filter. This is where a home movement test is valuable.
Silicone Putty Earplugs
Silicone putty plugs usually cover the ear canal opening rather than going deeply inside. They can work well for sleep and water-blocking uses, depending on product instructions, but they may not suit all loud-noise settings. Do not push putty deep into the ear canal.
Your home check should focus on whether the putty maintains a smooth seal around the opening. Hair, skin oil, jaw movement, or pressure from a pillow can break the edge seal.
Custom Earplugs
Custom plugs can be excellent, but “custom” does not mean immortal. Ears change, materials age, filters clog, and fit can shift. If a custom plug suddenly feels loose or sounds uneven, test it. If the problem repeats, contact the provider.
Custom plugs are especially worth reviewing for musicians, venue staff, and people who wear protection often. A plug that fits well but uses the wrong filter can still create problems for performance or speech awareness.
| Type | Typical US Cost | Best For | Fit Risk |
|---|---|---|---|
| Disposable foam | About $0.10–$1 per pair | High reduction when inserted well | High if poorly rolled or shallow |
| Reusable flanged | About $5–$30 | Quick insertion, repeat use | Medium if size is wrong |
| Filtered musician plugs | About $15–$80 | Concerts, practice, clearer sound | Medium because seal affects clarity |
| Custom filtered plugs | Often $150–$300+ | Frequent users, musicians, pros | Lower when made and maintained well |
At-Home Risk Scorecard: Is Your Fit Good Enough?
Use this scorecard to decide whether your current fit deserves confidence, caution, or a professional check. It is not a medical device. It is a practical decision tool for normal humans with normal schedules and ears that refuse to read instruction manuals.
Score Each Ear Separately
Give each item 0, 1, or 2 points. Score the left ear and right ear separately. The lower ear wins the decision, because protection is only as strong as the leakier side.
| Test | 0 Points | 1 Point | 2 Points |
|---|---|---|---|
| Voice sounds internal | No | Somewhat | Clearly |
| Hum check is balanced | No | Mostly | Yes |
| Seal survives jaw movement | No | Minor change | Stable |
| Seal survives 10 minutes | No | Uncertain | Yes |
| Comfort is acceptable | Painful | Noticeable pressure | Comfortable |
How to Read Your Score
- 8–10 points: Good practical fit signal for low-to-moderate everyday uses, assuming the noise level is not extreme.
- 5–7 points: Caution. Try a different size, type, or insertion method before trusting the fit.
- 0–4 points: Poor fit signal. Do not rely on this plug in loud settings.
- Score left and right separately.
- Do not average away a leak.
- Retest after movement and time.
Apply in 60 seconds: Circle the lower score and use that ear to choose whether to retry, switch plugs, or seek fit testing.
Mini Calculator: Exposure Confidence Check
Use this simple calculator to organize your decision. It does not calculate exact hearing risk. It helps you see when a “probably fine” fit deserves more caution.
DIY Fit Confidence Calculator
Enter your numbers, then check confidence.
Common Mistakes That Make Earplugs Seem Better Than They Are
Most earplug failures are not dramatic. They are tiny habits repeated often. The plug looks inserted, the user feels responsible, and the sound reduction is only half doing its job. Very bureaucratic. Very ears.
Mistake 1: Testing Only While Sitting Still
If you only test while frozen in a chair, you are testing a museum version of yourself. Real use includes talking, swallowing, chewing, bending, sweating, smiling, singing, helmet pressure, pillow pressure, and glasses arms.
Mistake 2: Ignoring the Worse Ear
Many people test both ears together and miss the weak side. Instead, test one ear at a time. Insert the right plug and leave the left open, then reverse. You will often discover that one ear is the entire plot twist.
Mistake 3: Using the Wrong Size Again and Again
People often assume earplugs are one-size-fits-all because the package says something friendly. Ears disagree. If foam folds, flanges hurt, or plugs fall out, sizing may be the issue. Concha shape can also affect stability, especially with reusable designs. See how concha shape affects earplug stability for a helpful companion read.
Mistake 4: Confusing Loudness Reduction With Good Sound Quality
Musicians and concertgoers often want both safety and clarity. That is reasonable. But louder is not always clearer, and clearer is not always safer. Filtered plugs can help, but only when sealed properly.
For musicians, this article on NRR myths for musicians explains why perceived loudness and protection can mislead you.
Mistake 5: Reusing Disposable Foam Too Long
Foam gets dirty, tired, and less springy. Old foam may not expand the same way. If it looks grim, feels stiff, or does not recover well after rolling, retire it with dignity. It served. It squished. It is done.
Mistake 6: Testing in a Room That Is Too Quiet, Then Trusting It Everywhere
A quiet home test is useful for seal checks, but loud settings expose weaknesses. If your use includes a band room, shop tools, stadiums, motorcycle wind, or impulse sound, raise your standard.
Short Story: The Concert Plug That Passed in the Kitchen
A bassist I know tested new filtered earplugs in his kitchen before a weekend gig. He read a cereal box aloud, hummed, smiled in the mirror, and declared victory. At the venue, everything changed. The left plug stayed sealed, but the right plug loosened every time he sang backing vocals. Cymbals became sharp, his own voice jumped around, and by the third song he was nudging the plug between phrases. The plug was not “bad.” The kitchen test was incomplete. The next day, he repeated the test while singing, chewing, and turning his head with the strap of his bass over his shoulder. The failure appeared in three minutes. Practical lesson: test the body you will actually bring to the noise, not the polite statue version that lives beside the toaster.
- Musicians should test while singing or playing gently.
- Motorcyclists should consider helmet and jaw movement.
- Sleep users should test side pressure on a pillow.
Apply in 60 seconds: Repeat your test while doing the one movement most likely to happen during real use.
When to Seek Help
Seek help when symptoms, exposure level, or uncertainty exceed what a home test can safely answer. This is not overreacting. It is the mature, decidedly un-glamorous art of keeping your hearing available for future conversations, music, birds, and the tiny click of a turn signal you forgot was still on.
Talk to a Clinician Promptly If You Notice Symptoms
- Sudden hearing loss or sudden muffled hearing
- New or worsening ringing after noise exposure
- Ear pain, drainage, bleeding, or strong pressure
- Dizziness, vertigo, or balance changes
- One-sided symptoms that do not settle
- Repeated ear infections or known eardrum problems
Ask an Audiologist About Fit Testing If Protection Really Matters
If you are a musician, venue worker, tradesperson, frequent shooter, aviation worker, motorcycle commuter, or anyone with repeated noise exposure, personal fit testing can be worth it. It turns “I think these work” into a clearer result.
Personal attenuation testing can also help compare earplug models and insertion technique. For a deeper internal guide, see personal attenuation rating and what it means.
Use Workplace Channels for Job Noise
If noise exposure happens at work, follow your employer’s hearing conservation program. OSHA guidance, employer training, and fit-testing programs exist because hearing protection is not only a shopping choice. It can be a workplace safety requirement.
Buyer Checklist: Choosing Earplugs That Are Easier to Fit
The best earplug is not the one with the loudest package claim. It is the one you can insert correctly, tolerate comfortably, and keep sealed during real use. Buying earplugs without thinking about fit is like buying running shoes by headline font.
Eligibility Checklist: Should You Try a New Earplug Type?
- Your current plugs fail the movement test.
- One ear consistently leaks.
- You feel pain or pressure within 10–15 minutes.
- Your plugs fall out during talking, singing, or sleeping.
- You need clearer sound for music or communication.
- You use plugs often enough that comfort affects compliance.
Buyer Checklist
| Question | Why It Matters | Good Sign |
|---|---|---|
| Does it come in sizes? | Different canals need different geometry. | Small, medium, large, or trial pack options. |
| Can you insert it consistently? | A great plug used badly is a small rubber decoration. | Repeatable seal in under one minute. |
| Does it survive movement? | Real use includes jaw and head motion. | Stable during talking, chewing, and turning. |
| Is it comfortable long enough? | Pain makes people remove protection. | No sharp pressure after 15 minutes. |
| Does the use match the design? | Sleep, music, work, and impulse noise need different thinking. | Product instructions match your actual setting. |
Coverage Tier Map for Practical Use
This is not an official rating system. It is a simple way to match caution to use case.
- Everyday comfort tier: Sleep, studying, travel, mild household noise. Focus on comfort and stable seal.
- Clarity tier: Concerts, rehearsals, teaching, events. Focus on filtered plugs, movement stability, and speech/music balance.
- High-protection tier: Tools, motors, loud work, repeated exposure. Focus on verified fit, correct NRR use, and proper training.
- Critical-risk tier: Impulse peaks, occupational requirements, firearms, extreme noise. Use professional guidance and layered protection when appropriate.
- Trial packs can save money and irritation.
- Movement stability matters more than a perfect quiet-room impression.
- Frequent users may benefit from custom or professionally fitted options.
Apply in 60 seconds: Before buying, write down your main use case: sleep, music, work, travel, tools, or impulse noise.
FAQ
How can I tell if my earplugs are inserted correctly?
Your own voice should sound more internal or boomy, outside sounds should reduce evenly, and the seal should stay stable when you talk, chew, yawn, and turn your head. With foam plugs, most of the plug should sit inside the canal after expansion. If one ear sounds much brighter, remove and reinsert that side.
Can I test earplug fit at home with my phone?
You can use a phone for rough comparison, but not for exact protection numbers. Phone microphones and apps are not calibrated for hearing protector fit testing. A phone may help you notice obvious differences between two plugs, but it cannot confirm your personal attenuation rating.
Why do my earplugs sound sealed until I start talking?
Jaw movement can change the shape of the ear canal and break the seal. This is common for singers, speakers, brass and wind players, and people who chew or talk during noisy work. If the seal changes with movement, try another size, plug type, or insertion angle.
Is a higher NRR always better?
No. A higher NRR can help only if the earplug fits correctly and is worn properly for the full exposure. A lower-rated plug with a stable seal may outperform a higher-rated plug that leaks, hurts, or keeps backing out.
How deep should foam earplugs go?
Foam earplugs usually need to be rolled tightly, inserted into the ear canal, and held while expanding. Only a small end should remain visible for many foam designs, but follow the product instructions. Do not force insertion if you feel pain.
Why does one earplug always fall out?
Your ear canals may differ in size, shape, bend, skin texture, or wax level. One ear may need a smaller plug, softer foam, a different flange size, or a custom option. Test each ear separately instead of assuming both ears need the same solution.
Are custom earplugs worth it?
They can be worth it for frequent users, musicians, venue workers, and people who struggle with disposable fit. Custom plugs can improve comfort and consistency, but they still need checking over time because ears and materials can change.
When should I get professional earplug fit testing?
Consider professional fit testing if you work in noise, attend loud events often, shoot firearms, ride motorcycles regularly, have tinnitus concerns, or cannot get a stable seal at home. A professional test can give a clearer estimate of your actual protection.
Conclusion: Trust the Pattern, Not One Lucky Test
The sneaky thing about earplug fit is that failure can look ordinary. A plug can sit in your ear, reduce some sound, and still leak when your jaw moves or the foam creeps out. That is why the best DIY earplug fit test at home is not one magic trick. It is a repeatable pattern: insert well, check voice, check hum, move your jaw, wait 10 minutes, and compare both ears separately.
In the next 15 minutes, choose one pair of earplugs and run the full home fit loop. Score each ear. If the weaker ear passes movement and time checks, you have more practical confidence. If it fails, do not argue with the ear. Try another size, another design, or professional fit testing. Calm beats heroic guessing every time.
For high-risk noise, remember the boundary: home checks help you catch obvious problems, but they do not certify protection. The quieter, safer path is to combine good technique, good fit, appropriate protection, and help when the stakes are high.
Last reviewed: 2026-07
