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5 Best Open Mouth Gags (O-Ring Gags) Reviewed

5 Best Open Mouth Gags (O-Ring Gags) Reviewed

Editorial Team |

Take oral play to the next level with a mouth gag. The domination/submissiveness aspect will make you and your partner explode with arousal.

An open-mouth gag is considered a fetish BDSM item, but it can be an amazingly erotic addition to every single bedroom. The trick to making it work is choosing the right one.

A good O-ring gag should deliver comfort and a thrilling sensation. We’ve compiled buying tips to help you get those features in your brand-new gag. And if you need some additional assistance, you can always count on the HotCherry list of top products in the category. Based on a careful evaluation of features (and actual customer experiences), these product reviews will give you a good idea about the quality and make sure it’s there.

Things You Should Pay Attention to When Shopping for an Open-Mouth Gag

Several things will help you determine if a certain open-mouth gag is the right one for you:

Type of gag: Mouth gags are available in various varieties. A classic O-ring gag consists of straps and a hollow ring that keeps the wearer’s mouth open. Like other gags, this one is usually available in various sizes. Lips gags feature a pair of lips made of silicone or another flexible material. In that case, the gag holds the mouth open and goes over the wearer’s lips. This one guarantees the comfort of the person penetrating the wearer’s mouth. Some O-ring gags are also available in a kit with a plug or a stopper.

Size of the ring: The O-ring's diameter will determine how much your mouth will be stretched. So, go smaller if you’re trying this kind of gag for the first time. Eventually, you can progress to a bigger ring or keep a manageable size if that’s your thing.

Materials: Check out both the materials that the ring and the straps are made of. In some instances, the ring and the other hardware will be made of a metal like stainless steel. Rubber and silicone are other choices that give the O-ring a bit of flexibility. Some people find those materials a lot more comfortable than metal. The straps could be crafted from leather, vegan leather, vinyl, polyester, and others. When choosing, seek comfort, longevity, and aesthetics. The look and the toughness of the open-mouth gag will be determined by the material the straps are made of.

Adjustability: A good mouth gag should fit comfortably. Thus, you’ll need a way to fasten the straps and ensure the tightness is right. Manufacturers will usually list the minimum and maximum diameters that strap adjustments allow. Make sure that the size is right for the intended use. If you believe that more than one person would use your open-mouth gag, choose a product that allows for bigger size adjustments.

Additional features: Now that we’ve covered the essentials, let’s look at a few extras. There are a couple of additional things you may want to consider before buying. Some open-mouth gags give you additional uses. For example, some designs incorporate nipple clamps or a leash for more pronounced fetish or BDSM play. Sometimes, the design is a bit more elaborate to match your style. For example, having spikes on the straps is a nice added detail that many people enjoy. In some instances, an open-mouth gag can have a locking mechanism that further enhances the dominance aspect of use. Even in this niche, you can find subtle product variations that appeal to different tastes.

Ease of cleaning: An open-mouth gag should be easy to sanitize thoroughly. That cannot be easy to accomplish if there are many elaborate bits and pieces. Choosing simpler designs and materials that can be cleaned thoroughly (even machine-washed) helps ensure impeccable hygiene.

5 Best Open-Mouth Gags


  • Beautiful design, quality materials
  • Easy to adjust
  • Comfortable
  • Easy to clean


  • O-ring diameter is on the bigger side

Not only does this “scandalous” open-mouth gag look erotic and sophisticated, it also works incredibly well to help you play out a dominance/submission scenario. The gag comes with two interchangeable rings – one made from silicone and one crafted from nickel-free iron. Additionally, the length of the straps is adjustable. With a maximum diameter of 21.5 inches, the gag is unisex and very comfortable for any wearer. On top of being adjustable, the straps are double padded for even more comfort and double stitched to give you durability. Switching between the two rings happens effortlessly due to the practical snap closures. As you get a soft material and a completely inflexible ring, you’ll benefit from completely different experiences.


  • Made from high-quality materials
  • Great for intermediate and advanced users
  • Sturdy and durable
  • Super comfortable, despite hardcore design


  • Not ideal for beginners
  • A few sharp edges because of the spider legs

A spider gag is visually a lot more hardcore than a regular open-mouth gag. This, however, doesn’t mean it’s uncomfortable or challenging to use. Take this Fetish Fantasy spider gag as an example. A steel ring with four metal legs attached to it gives the gag its extreme appearance. The ring keeps the mouth of the wearer wide open to ensure easy access to oral pleasures. With a diameter of 1.5 inches, the ring is on the bigger side, and it’s better suited to the needs of more experienced players. The hardware attaches to a leather strap that’s sophisticated and soft at the same time. A buckle at the back allows fr easy length adjustments, making the gag almost 100 percent unisex.


  • Very reasonably priced
  • Let’s you explore more than just a gag ring
  • Simple, functional design
  • Easy to clean


  • O-ring is on the smaller side
  • Not the most elaborate design

If you need a bit more to play out your dream erotic scenario, try out this pair. The rubber O-ring keeps the mouth wide open and prevents the wearer from voicing any objections. It attaches to faux leather straps that can be adjusted to ensure the perfect fit. Alongside come two nipple clamps that intensify sensations and play out the dominance/submission element even further. Coated for more comfort, the clamps feature adjustable screws. You’re in control of the tension and the intensity of the “punishment” that’s going to be received. Well-made and all encompassing, this set delivers an excellent price to quality ratio. It’s also super clean and minimalist, simplifying sanitization.


  • Excellent price to quality ratio
  • Three different ring sizes available
  • Comfortable to wear
  • Gets the job done, works nicely


  • The buckle is a bit difficult to work
  • As the rings are coated, the outer layer can be punctured

Everybody deserves a bit of sexy luxury. With products like this open-mouth gag ring, that’s easy to achieve. A very reasonable price and high-quality materials work together to give you a product worth adding to your adult arsenal. The kit features three O-rings ranging in diameter from 1.75 to 2.25 inches. Made of metal and coated for more comfort, the rings will keep the mouth wide open if the straps are properly secured. Speaking of which, the straps are made from soft, patent leather. Some extra padding is incorporated in the design for even more tenderness. The straps are very easy to adjust, and they guarantee unisex fit of up to 32 inches. Its simple and clean design makes the gag very easy to sanitize. The intuitive hardware also makes changing the rings a breeze.


  • Excellent price-to-quality ratio
  • Lips guarantee super smooth penetration
  • Comfortable strap design


  • Lip gag design requires some getting used to
  • Some users have fumbled a bit with the buckle closure

Silicone lips on an open-mouth gag give a dominant lover everything they’ve been hoping for. This set comes with a plump pair that encourages naughty things to be done. The lips guarantee smooth entry and the ring they’re attached to will always keep the sub’s mouth open. The lips attach to black faux leather straps that look elegant and are also super durable. Buckle closure at the back allows for effortless length adjustments and secures the gag in place. With a diameter of up to 25 inches, the straps ensure a universal fit. Nickel-free metal hardware connections make the mouth gag completely safe, even for those with sensitive skin. Like a few other items on our list, this gag delivers an outstanding price-to-quality ratio.

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Final Thoughts

You may feel that an open-mouth gag is a bit too much, but such a product lets you explore aspects of your sexuality you probably didn’t know were there. It’s a simple, comfortable, and affordable choice. If you’re curious about dominance and submission, giving this one a try will be fun.

The one thing we’d like to emphasize with open-mouth gags is the importance of quality.

Poor designs and cheap materials can make open-mouth gags uncomfortable or even dangerous.

So, take your time and look for a high-quality piece. As our ranking shows, amazing gags can cost very little. These products are well-made and sturdy. They’ll encourage frequent use, which means you’ll enjoy an excellent return on the amount you’ve invested in your pleasure.

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