How to Use Ohnut Buffer Rings: A Step-by-Step Guide

If sex has started to hurt, or it's hurt for a long time and you've finally found something that might help, the hard part is usually knowing what to expect. How does a product like this actually work? How do you use it? And is it even right for you? Ohnut is one of the tools I recommend most often in clinic for people managing painful intercourse, but it only helps if you know how to use it and whether it suits your situation. So let's break it down: what Ohnut is, who it's for, how to size and stack it, and the practical details (lube, positions, cleaning) that decide whether it changes things or ends up in a drawer.

A quick note before we start. Ohnut is a comfort and depth-control tool. It isn't a treatment for endometriosis, vaginismus or any medical condition, and it doesn't replace a proper assessment. It's a way to give you more control during sex while you work on the underlying cause, usually alongside a pelvic health physiotherapist. Keep that framing in your back pocket and everything below makes sense.

What are Ohnut buffer rings and how do they work?

Ohnut is a set of four soft, stretchy rings that a partner wears externally at the base of the penis (or a dilator, or a toy). Stacked together, the rings sit between the two of you and physically limit how deep penetration can go. Because they compress slightly as you move, they feel less like a hard barrier and more like a cushion. Most people describe it as barely noticeable. You choose the depth by choosing how many rings to wear, and you can change that in the moment. That's the whole idea: you set the limit, not the pain.

Who is Ohnut for?

Ohnut tends to help when the problem is deep pain: the kind you feel with deeper thrusting rather than at the entrance. That points to Ohnut being useful in a few common situations:

• Endometriosis. Deep pain with sex is one of the most common symptoms of endometriosis; in one study of women with endometriosis, more than three-quarters reported dyspareunia (painful intercourse) ^[1]. Limiting depth can make intimacy feel possible again while you manage the condition medically.
• Postpartum recovery. After birth, tissues are healing and the pelvic floor is often tender or guarded. Shortening depth can take the fear out of the first months back to sex.
• Perimenopause and menopause. Lower oestrogen can make tissues thinner and more sensitive, so depth that was fine before now isn't.
• Post-surgical recovery. After gynaecological or pelvic surgery, a shorter, more controlled depth can bridge the gap while you rebuild confidence.
• Vaginismus, vulvodynia and pelvic floor tension. When muscles are protective and reactive, reducing the “unknown” of how deep things will go can lower the whole nervous-system alarm.

If you recognise yourself in more than one of these, that's normal. Pelvic pain rarely has a single cause. Our guide on what causes pain during sex in females unpacks the deep-dyspareunia picture in more detail.

How many sizes does Ohnut come in?

This is the question I get wrong-answered most often, so let's be clear: Ohnut does not come in four different sizes. The set you buy contains four rings that are all the same size, designed to stack. The number of rings controls depth, not width. Stack all four for the shortest, most limited depth; peel one or more off to allow more.

And there's nothing to size for width, either. The rings are one size fits most, made from a soft material that stretches comfortably over a wide range, so you don't have to pick a “wide” or “narrow” version. That keeps the whole decision refreshingly simple: there's no width to choose, and you use the ring count to dial in the depth. (You may still see a single vibrating ring sold separately, but the core product is the one set of four stackable rings.) The Ohnut product page has the current details, and our Ohnut review walks through how it works in plain English.

How to use Ohnut: the step-by-step

Here's the actual method. It takes about thirty seconds once you've done it once or twice.

1. Start with three rings. Ohnut's own guidance, and mine, is to begin with three stacked rings rather than all four. Three is a sensible middle ground; you can adjust from there.
2. Link them together. The rings connect to each other, so join your three into a single stack before anything else.
3. Lube first. Apply a water-based or silicone-based lubricant to the rings and to yourselves before sliding Ohnut on. This matters more than people expect (see the lube section below).
4. Slide the stack on externally. The penetrating partner wears Ohnut at the base of the shaft. It stays on the outside and does not go inside the body. (The same works if you're using a dilator or toy: the rings sit at the base.)
5. Go slowly and feel the limit. As you begin, the stack sits between you and stops penetration going past the rings. During movement the rings compress a little, so it feels soft rather than like hitting a wall.
6. Add or remove rings to fine-tune. Too much depth still? Add the fourth ring. Comfortable and want a little more? Take one off. This is the whole point of Ohnut: you're not locked in.
7. Talk about the count. The number of rings is a shared decision. A quick “let's keep it at three tonight” or “I can take one off now” turns depth into something you manage together instead of something you brace against.

Ohnut handles depth. But if part of your pain is at the entrance, or the opening itself feels too tight or too small, that's a different problem and a different tool. Vaginal dilators are what help there: used gradually, they let the opening become more comfortable over time, usually alongside pelvic floor physio. Our step-by-step dilator guide covers how, and you can browse the vaginal dilator range if a physio has suggested one.

What lubricant can you use with Ohnut?

Use plenty of lube, and make it water-based or silicone-based. Both are fine with Ohnut's body-safe material. Avoid oil-based lubricants, as oils can break down the rings over time and shorten their life. Lube isn't optional here: it helps the rings sit comfortably, reduces friction against already-sensitive tissue, and makes the whole experience smoother. If dryness is part of your picture (common in menopause and while breastfeeding), a good lubricant does double duty. We've got a whole guide on choosing the right lubricant if you want to get specific.

Does Ohnut reduce sensation for your partner?

This is usually the first worry, and it's a fair one. In practice, most partners report they barely notice it, or describe it as a gentle “hug” rather than a loss of feeling. Many say sex feels better, not worse, largely because the anxiety of accidentally causing pain drops away and both people can relax. Ohnut is designed to feel close to skin and to retain warmth, which helps it disappear into the background. The reassurance tends to matter as much as the physical buffer.

Does Ohnut work in all positions?

It works in most, and it's worth experimenting. Positions that let the receiving partner control depth and angle, like being on top or side-lying, often pair especially well with Ohnut because you get two layers of control at once. Deeper positions can still work; you just may want an extra ring. There's no single “right” position, so treat the first few sessions as gentle trial and error rather than a test you can fail.

How do you clean Ohnut buffer rings?

Wash the rings with warm water and a mild soap (or a dedicated intimate-toy cleaner) before and after each use, then let them air-dry fully before storing them in their pouch. Keep them out of direct heat and away from oil-based products. Simple, non-negotiable, and it keeps the material in good condition for the long haul.

When should you see a pelvic health physiotherapist?

Ohnut manages the symptom. A pelvic health physio helps with the cause, and the two work beautifully together. If your pain comes from tense, overactive pelvic floor muscles (very common with endometriosis, vaginismus and vulvodynia), physiotherapy is one of the most evidence-backed conservative options available: systematic reviews report meaningful improvements in sexual pain from pelvic floor physical therapy ^[2][3], and Australian bodies including Jean Hailes and Continence Health Australia both point to pelvic floor physiotherapy as a first-line part of managing painful sex and persistent pelvic pain.

A physio can assess whether your muscles are guarding, teach you to down-train (relax) them, and guide you on tools like dilators and pelvic wands so you're using them correctly rather than guessing. If your physio recommended Ohnut, this is exactly the pairing they had in mind. For the endometriosis-specific angle, our guide to the overactive pelvic floor in endometriosis is a good next read, as is our endometriosis comfort collection.

When Ohnut isn't the right tool

Ohnut is genuinely helpful, but it's a comfort aid, not a diagnosis and not a fix. Please book in with your GP or a pelvic health physiotherapist, rather than relying on Ohnut alone, if you notice any of these:

• Bleeding during or after sex that isn't clearly explained.
• Severe, sharp or worsening pain, or pain that's spreading beyond sex into everyday life.
• Pain at the entrance (superficial) rather than deep. Ohnut targets depth, so entrance pain usually needs a different approach.
• New pain after birth or surgery that isn't settling on the timeline you were given.
• Signs of pelvic floor dysfunction, like pain with tampons, difficulty with examinations, or a sense of muscles clenching involuntarily. This is very treatable, but it needs assessment. Deep pain with sex is also one of the flagged symptoms in Australia's endometriosis guidelines, so it's worth investigating properly rather than working around.

None of that means Ohnut has failed you. It means the pain is telling you something, and the right person to interpret it is a clinician, not a ring.

Ohnut works best when it's one piece of a bigger plan: the ring gives you control tonight, and a pelvic health physio helps make more of the depth comfortable over time. If you've been putting intimacy in the “too hard” basket, this is a low-risk, genuinely reassuring place to start.

Explore the Ohnut depth-limiting rings → Physio-recommended, and discreetly shipped across Australia. Not sure which option suits you? Compare all three in the Ohnut collection.

References

1. Barbara G, et al. Painful sexual intercourse, quality of life and sexual function in patients with endometriosis: not just deep dyspareunia. Archives of Gynecology and Obstetrics, 2024. PMC11392973
2. Effectiveness of physical therapy interventions in women with dyspareunia: a systematic review and meta-analysis. PMC10364425
3. Pelvic Floor Physical Therapy for Pelvic Floor Hypertonicity: A Systematic Review of Treatment Efficacy. PubMed 34127429
4. Jean Hailes for Women's Health. Painful Sex (Dyspareunia). jeanhailes.org.au
5. Continence Health Australia. Persistent pelvic pain. continence.org.au
6. RACGP / RANZCOG. Australian Living Evidence Guideline: Endometriosis. racgp.org.au

This article is general information from an APA titled Sports & Exercise Physiotherapist with a special interest in pelvic health, and isn't a substitute for individual assessment. If sex is painful, a pelvic health physiotherapist or your GP can help you find out why.