A vacuum bell only works with the right protocol, and the box doesn't include one. The cited protocol, from first session to overnight.
Joined by 1,000+ people fixing their chest without surgery, since 2015
Suction lifts the sternum, sustained load remodels cartilage. Hours are the variable.
The manufacturer's leaflet tells you how the device works mechanically. It tells you nothing about how to get results, and that gap is where months of progress quietly disappear.
The device isn't the variable.
The protocol is.
Get the suction calibration, the dose, the ramp and the plateau strategy right, and the same bell that did "nothing" for a year starts producing measurable lift. This guide is that protocol, every claim referenced.
Read them by rating, or by what people actually got out of it - the transformations, the honest reviews, and the messages that land in my inbox every week.
across 12 rated statements
500+ reviews collected since 2015. Open a bar, a tag or a condition to read the published ones.
What the 4.9 is made of
17 published statements · 500+ collected since 2015
read the blog for months before i actually did anything with it. no coach, no brace, just the stuff in the articles done properly. i feel a lot better now and the photos say the rest
DaniloPE
Read the blogCroatia 🇭🇷
Two months in and I've put on 3 kg of muscle. My chest doesn't cave the way it used to when I'm standing relaxed, and that alone was worth it.
MiloPE25
1-on-1 CoachingGermany 🇩🇪
the bell leaves a red ring on your chest the second you take it off, and nobody warns you about that. it fades within the hour and the skin has never been an issue since. 100% satisfied - the sternum sits higher than it has my whole life
PiotrPE25
Vacuum BellPoland 🇵🇱
He knows more about this than the two consultants I paid to see, which says more about them than it does about him. Showed my GP the 9 month photos and he asked me for the website. Half a star off because the time zones make the calls a nightmare from Ireland.
RuairíPE29
1-on-1 CoachingIreland 🇮🇪
watched the youtube for six years before i spent a single cent. bought the program, did it properly for 7 months, and the only thing i actually regret is the six years
TanePE26
PE Exercise ProgramNew Zealand 🇳🇿
Had the flare since i was about 14 and just assumed that was my ribcage, permanently. Brace plus the breathing drills and my mrs asked when i'd lost weight. I hadn't lost anything, it's just the ribs sitting where they should now.
DanielRib Flare27
Rib Flare BraceUK 🇬🇧
first call he told me straight up itd take a year and id hate months 2 through 5. he was right about both lol. 12 months on and my PC is flat. took my shirt off at the beach in january without doing the whole towel thing
DimiPC19
1-on-1 CoachingAustralia 🇦🇺
didnt know you could be breathing wrong for 21 years. thats the whole thing right there. flare started going down on its own once i stopped breathing into my shoulders, which is not what i paid for but ill take it
benjiRib Flare21
Rib Flare CourseUSA 🇺🇸
the brace is made really good, i wear it under the t-shirt at school and nobody has noticed in 4 months. my mother was crying when we compare the photos. sorry for my english
NicoPC17
Pectus Carinatum BraceItaly 🇮🇹
ive bought like four programs for this over the years and quit every one of them by week two. finished this one. i think its cus you cant move on until you can actually hold the position, so theres never that thing where you're guessing if youre ready or not
MateoRib Flare23
Rib Flare CourseUSA 🇺🇸
My son is 15 and had started keeping a shirt on in the pool, which is how I worked out something was wrong in the first place, because he certainly wasn't going to tell me. He would never have stuck with the brace on his own. It was the fortnightly check-ins that did it - he didn't want to turn up with nothing to report. Six months now and the ridge has visibly come down. He swims without the shirt.
Noah's mumPC
Pectus Carinatum BraceUSA 🇺🇸
I went in wanting to debunk it, honestly. Started opening the citations one at a time and they were real papers that said what he said they said. That is a depressingly low bar and nowhere else online clears it.
SanderRib Flare34
Read the blogNetherlands 🇳🇱
every doctor said come back when youre done growing, which is a mad thing to say to a 17 year old whos already miserable about it. did four months of training instead. 4kg on and my t shirts actually sit on something now
JakePE17
USA 🇺🇸
1 cm off the depth in eight months. I had this filed under things about my body that got decided before I was born, and I'd stopped thinking about it somewhere in my twenties, so being wrong about it has been a strange few months honestly.
VincentPE + Rib Flare36
France 🇫🇷
i was the skinny kid who kept his top on at the beach every single year. 6 months, 5kg heavier. took it off in ibiza this summer and genuinely forgot to be weird about it until we were leaving
CallumPE17
UK 🇬🇧
bump is 0.5cm down in 5 months. bro i genuinely thought this was gonna be bench press for a year, its like 80% breathing drills and posture stuff. wasnt what i signed up for but i cant argue with the tape measure
EliasPC16
Norway 🇳🇴
i did abs for two years thinking that was the fix. it was never going to be abs. three months of the brace plus actually learning how to exhale properly and its 1.5cm narrower down there
AlexRib Flare22
USA 🇺🇸
"read the blog for months before i actually did anything with it. no coach, no brace, just the stuff in the articles done properly. i feel a lot better now and the photos say the rest"
"Two months in and I've put on 3 kg of muscle. My chest doesn't cave the way it used to when I'm standing relaxed, and that alone was worth it."
"the bell leaves a red ring on your chest the second you take it off, and nobody warns you about that. it fades within the hour and the skin has never been an issue since. 100% satisfied - the sternum sits higher than it has my whole life"
"He knows more about this than the two consultants I paid to see, which says more about them than it does about him. Showed my GP the 9 month photos and he asked me for the website. Half a star off because the time zones make the calls a nightmare from Ireland."
"watched the youtube for six years before i spent a single cent. bought the program, did it properly for 7 months, and the only thing i actually regret is the six years"
"Had the flare since i was about 14 and just assumed that was my ribcage, permanently. Brace plus the breathing drills and my mrs asked when i'd lost weight. I hadn't lost anything, it's just the ribs sitting where they should now."
"first call he told me straight up itd take a year and id hate months 2 through 5. he was right about both lol. 12 months on and my PC is flat. took my shirt off at the beach in january without doing the whole towel thing"
"didnt know you could be breathing wrong for 21 years. thats the whole thing right there. flare started going down on its own once i stopped breathing into my shoulders, which is not what i paid for but ill take it"
"the brace is made really good, i wear it under the t-shirt at school and nobody has noticed in 4 months. my mother was crying when we compare the photos. sorry for my english"
"ive bought like four programs for this over the years and quit every one of them by week two. finished this one. i think its cus you cant move on until you can actually hold the position, so theres never that thing where you're guessing if youre ready or not"
"My son is 15 and had started keeping a shirt on in the pool, which is how I worked out something was wrong in the first place, because he certainly wasn't going to tell me. He would never have stuck with the brace on his own. It was the fortnightly check-ins that did it - he didn't want to turn up with nothing to report. Six months now and the ridge has visibly come down. He swims without the shirt."
"I went in wanting to debunk it, honestly. Started opening the citations one at a time and they were real papers that said what he said they said. That is a depressingly low bar and nowhere else online clears it."
read the blog for months before i actually did anything with it. no coach, no brace, just the stuff in the articles done properly. i feel a lot better now and the photos say the rest
Shared with each client's permission.
Did I help you with your pectus?
Share your before & after
Before
After
Before
After
“I'm 32. Everything I ever read said the window on this shuts at 18 and after that you either get cut open or you live with it. Nine months, 5 kg on, 1 cm off the depth. Nobody is more annoyed about the wasted decade than me.”
Before
After
“came in skinny with a deep dip and ribs that stuck out at the bottom. six months, 4kg up. funny thing is nobody says anything about the dip, its the flare going down that people actually noticed”
Before
After
“I'm 52. I have both a ridge and a dip, which I'm told is unusual, and I've had the pair of them since I was a boy. Nine kilos off in five months and for the first time my chest looks like one chest. I did not expect to be sorting this out at my age, but there we are.”
Before
After
“The brace did the flare, the training did the rest. Seven months, 6 kg on, 1 cm off the depth. The part I wasn't ready for is that I now own shirts that fit, after about fifteen years of buying everything one size too big.”
Before
After“5 months, 4kg on. still there if i go looking for it. nobody else has said a word”
Before
After“read the blog for months before i actually did anything with it. no coach, no brace, just the stuff in the articles done properly. i feel a lot better now and the photos say the rest”
Before
After“the bell leaves a red ring on your chest the second you take it off, and nobody warns you about that. it fades within the hour and the skin has never been an issue since. 100% satisfied - the sternum sits higher than it has my whole life”
Before
After
“3 months and 5kg later the ridge is sitting lower than its ever been. i was 100% convinced surgery was the only option, like id already looked up how much it costs and everything”
Before
After
“9 kilos in 6 months. the trick nobody tells you is you build the muscle around the ridge, then the ridge is not the first thing people see. before this i am buying only loose shirts, maybe 8 years like this”
Before
After
“before, the carinatum is the first thing i see in every photo of me. now i show someone and they must ask me where it is. i did not have any surgery, only the training”
Before
After
“Four months in and the side profile is the thing that changed. I used to clock myself in every shop window I walked past, at 30 years old, and I hadn't even noticed I was doing it until I stopped.”
PE pectus excavatum · PC pectus carinatum · RF rib flare
Drag each slider to compare.Tap any case to open and compare.Published only with the client's written consent.
Medically reviewed byProf. Dr. Mustafa Yüksel
Tap any message to read it full size. Instagram, Facebook, YouTube & TikTok comments, DMs, WhatsApp and email - real messages from real clients. Names and handles blurred, content untouched.
Case 01Case 02Case 03Case 04Case 05The four that come up most, answered the same way I would answer them on a call.
Take the 60-second quizPosture and breathing shift inside the first few weeks. Visible chest change is slower - in the case log above, Milo hit his at 2 months, Ian at 6. The programs run 16 weeks because that is how long it takes to show in the mirror.
Almost certainly not. The clients on this page were 22 to 32 when they started. Cartilage stiffens with age, so progress is slower, but slower is not stopped. Age changes the timeline, not whether it is worth doing.
Either works. Every program ships with a gym track and a no-equipment track for the same 16 weeks, and you can switch between them mid-program without losing your place.
No, and that matters. A sunken chest and a protruding chest need close to opposite work, and rib flare rides along with both. There is a separate program for each, if you are not sure which you have, the 60-second quiz sorts it out.
Four parts, 21 sections, 420+ citations, understand it, see the evidence, learn the framework, then do it.
What the device actually changes, and the two distinct mechanisms behind sternal lift, so the protocol makes sense instead of being rules to memorise.
A plain-English review of the real evidence, success rates, what predicts them, and the dose-response relationship that explains why hours win.
Assess your depth, flexibility and age against the evidence to set a realistic expectation before you invest months.
The framework that orders everything (fit, suction, dose and supporting work) so each layer compounds the next.
Exactly how to position, seal, set suction and read your skin response on day one, without bruising or guesswork.
A structured build from beginner sessions to therapeutic dose, the safe progression that the box never gives you.
Progressing to longer and overnight sessions, plus the specific adjustments that restart progress when it stalls.
No more guessing the dose, the guide gives you a week-by-week build from first seal to therapeutic sessions.
Get the protocolPosition, seal and set suction correctly, and learn to read the skin response that tells you it’s right.
Short, controlled sessions that build tolerance, no bruising, no overdoing it.
Progress duration and frequency on the structured ramp, logging your response as you go.
Reach full therapeutic dose and learn how (and when) to add overnight use for more hours.
420+ citations, from your very first session to weaning off once you are corrected.
I'm not writing this as a doctor looking at a scan. I had the sunken chest, the flared ribs, the shirt that stayed on at the pool, and nobody could tell me what actually works.
Years of consistent, non-surgical training made mine unnoticeable. Everything on this page exists because I needed it to exist ten years ago.
I tested all of it on my own body first, then refined it every time someone hit a wall I had not planned for.
Featured in Healthline · Level 5 DUKE Institute Certified Personal Trainer (ISSA) · Specialised in pectus excavatum, carinatum and rib flare.
Medically reviewed
I don't publish a clinical claim until Prof. Dr. Mustafa Yüksel, MD has checked it
Thoracic surgeon, founder of the Chest Wall International Group
Not in dollars. In time. Side by side, honestly.
No waiting on a reply, no onboarding call, nothing to install.
420+ cited references, a clear framework and a step-by-step ramp, for less than the cost of a single wasted month of guesswork. Instant download, lifetime access.
Try the whole thing for 30 days. Use it, and if it isn't what was described, message me for a full refund, no questions asked. The risk stays with me, not you.
It’s most useful if you have one or are about to get one, it’s a protocol for using the device. The candidate self-test and the science sections are also valuable while you decide whether the bell is right for you.
Free advice is scattered and often contradictory. This is one coherent, cited protocol (40+ studies reviewed, a clear framework, and a step-by-step ramp) so you stop stitching together conflicting forum posts.
Yes. The protocol (fit, suction calibration, dose, ramp and plateau strategy) applies to any vacuum bell. It’s about how you use the device, not which one you own.
Specifically, yes. There’s a dedicated section on why progress stalls and the exact adjustments, suction progression, dose, supporting work, that restart it.
Yes, 420+ references throughout, mapped to claims so you can check the evidence yourself. This isn’t opinion; it’s the literature organised into a usable protocol.
That’s exactly what the dosing framework answers, session length, sessions per day and suction level, phased from your first week through the long-term ramp. More is not automatically better; the guide shows you the dose that produces change without bruising you out of consistency.
Used within sensible pressure and time limits it has a good safety record in the literature, and temporary redness or mild bruising is the most common side effect. The guide covers safety limits, contraindications and skin care explicitly, and tells you when a symptom means stop and see a doctor.
The in-session lift you see under the bell is temporary at first, that’s normal. Lasting change builds over months of consistent dosing; the guide sets realistic phase-by-phase expectations so you don’t quit at week three for the wrong reason.
Adults respond, more slowly than teens, and the guide is honest about the difference. The candidate self-test weighs your age, chest flexibility and dip shape so you know what to expect before you commit months.
The buying section walks through what actually matters, fit against your chest shape above all. A bell that seals properly beats any brand claim; that’s also why the custom-fitted bell exists for chests that off-the-shelf sizes don’t seal on.
This guide is device mastery: everything about using the bell optimally. The PE course is the full correction system (breathing, training, posture, assessment) with the bell as one module. If the bell is your main tool, start here; if you want the whole method, the course is the bigger step.
Straight away. The moment your payment clears, an email goes out with your link and the password that opens it — usually inside a minute. Read it on a phone, a tablet or a laptop; the password is typed once per device and then the page just opens. If it hasn't arrived in ten minutes, check spam, then message me and I'll send it over myself. Lifetime access, free updates, nothing to ship.
Read it and decide. If it doesn't tell you what you needed to know before buying a bell, email me inside 30 days for a full refund.
Take the free 1-minute assessment and get a straight answer for your condition and severity.
Take the assessment →The chat bubble in the corner reaches me directly, ask anything about your case before you decide.
Try the whole thing. If it isn't right for your chest, every dollar comes back.
Start risk-free →The cited, end-to-end vacuum bell protocol, mechanisms, evidence, framework and a step-by-step ramp to overnight use. Stop guessing; start lifting the sternum.
Get the protocol
P.S. If you've read this far, part of you has already decided. The only thing you can lose by trying is the version of next year where nothing changed. - Mihail
