DOMINIX Deluxe Adjustable Leather Cuff Under Mattress Set: Will Change Your Bedroom Game Forever

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The video shows the DOMINIX Deluxe Adjustable Leather Cuff Under Mattress Set in use.

Overall Rating

4
5
5
2
  • Overall rating is based on Design, Sensory Quality, Ease of Use, and Ease of Cleaning. Price and Noise are shown for reference only.

My verdict

While most people think of a pair of handcuffs as the first step on a kink journey, they look a lot better in the movies than they feel in real life, more often leading to cries of "ow, those are digging into my back now", or "damn my wrists hurt." Instead, I'd argue that a decent under bed restraint system is a far more exciting introduction to bondage, and something will likely stay a part of your play chest even if you graduate to “harder” forms of bondage later. But shop wisely because not all under bed restraint systems are made the same. The DOMINIX Deluxe Adjustable Leather Cuff Under Mattress Set from LoveHoney is a solid choice, with leather cuffs and a secure method of mounting to your bed.

Pros

Comfy leather cuffs that don't feel like a toy
Thick nylon webbing with adjustable buckles ensures a secure fit to nearly any size bed
Five-minute setup
Two fixed attachment points for each cuff offer a beginner and advanced option

Cons

Expensive (but worth it)

Purchase Now from Exclusive Deals

DOMINIX
dominix deluxe adjustable leather cuff under mattress set

What Do You Get?

Deluxe Adjustable Leather Cuff Under Mattress Set Cuffs with nylon straps.

Arriving in the plainest of plain packaging (a clear plastic bag), without any instructions, you're left to figure it out on your own. In fairness, it's pretty simple to understand, inside the clear bag you'll find two small wrist cuffs and two large ankle cuffs.

The cuffs are made of leather, fully equipped with a tiny carabiner that reads, "rated 10kg”—plus two nylon straps that go around your bed.

You'll need to thread the end of these nylon straps into the buckles yourself. Looking at the flat, untextured side of the buckle, bring the end of the nylon strap up from underneath, on the innermost gap in the buckle. Then thread it back down through the outer gap. You should now be able to pull to tighten it.

Ankle Cuffs

Pictured is the Lovehoney Deluxe Adjustable Leather Cuff Under Mattress Set with the ankle cuffs.

To get technical for a moment, the wrist cuffs adjust from 5-9 inches circumference in 9 adjustment holes, while the ankle cuffs can go 8-14 inches with 13 adjustment holes. That’s sure to cover most body sizes, and

the sales page says the straps adjust to any double size bed, though my tiny British home won’t accommodate anything more than a standard Queen. There’s plenty to spare though, so I suspect it would handle a King size, but can’t confirm. You might need some DIY adjustments to make it fit a single bed.

Fixing to the Bed

Deluxe Adjustable Leather Cuff Under Mattress Set from an aerial view.

Ease of use is definitely one of the best parts of the DOMINIX Under Mattress restraint system, but you'll still need to wrap it around your mattress somehow, either by throwing one end under the bed and grabbing it from the other side, or lifting the mattress to thread it under. Since the upper and lower straps are separate, it’s easy to lift a portion of the mattress rather than the whole thing.

After tightening it up, I had about a meter and a half of loose nylon webbing left, which I tucked under the bed. It’s a very neat setup.

Adjustable

Deluxe Adjustable Leather Cuff Under Mattress Set Cuffs in use.

Each cuff has two possible attachment points on the bed straps, depending on how much you want your captive's arms or legs to be spread apart.

Hard vs Soft

Deluxe Adjustable Leather Cuff Under Mattress Set Cuffs one strap

Both the top and bottom straps are secured independently, so you can also adjust those on your mattress for a harder or softer restraint. Instead of having your arms by your head, you might want to try bringing them down to waist level, or perhaps lifting up the ankle cuffs so the legs are forced to bend.

If they’re flexible, you could even try a single strap in the middle, bringing their legs up and arms down.

Comfy Cuffs

Deluxe Adjustable Leather Cuff Under Mattress Set Cuffs wrist detail.

The leather cuffs are incredibly comfortable, even for extended wear. You could argue that bondage isn't supposed to be comfortable, but for most people, it should be if you want to enjoy (and endure) it long enough to orgasm. If, like me, you're not aiming to actually torture your lover, a comfortable restraint system is a necessity.

Carabiners

Deluxe Adjustable Leather Cuff Under Mattress Set Cuffs detail.

The tiny carabiners are quite dainty and look like they'd be easy to remove, but in practice they're too fiddly for your sub to contort their hands and unclip themselves. It's not impossible and the determined sub will definitely be able to escape given enough time. You could swap them out for small padlocks easily enough.

My little minx decided it would be easier to twist the nylon strap around the bed frame, then use her teeth to unbuckle one of the cuffs. You could probably avoid this by wrapping the strap around one of the bed frame slats underneath.

Super Secure

This is the extent of the movement that someone has when using the cuffs.

Still, for most purposes, these are a lot more secure than I was expecting, given that most bedroom bondage gear tends toward being a toy. If you see the words “velcro” anywhere, you should run far away from that product.

The nylon bed straps, when tightened properly, have surprisingly little give. Your sub will be able to squirm a little, but overall they'll stay put.

Time to Get Tied Up?

The DOMINIX Leather Cuff and Under Mattress Restraint System is a simple and well-made product that does exactly what it promises.

It isn't a budget option, but it is a quality one that'll stay in your toy box for a lifetime, as long as you don't go too crazy.

Purchase Now from Exclusive Deals

DOMINIX
dominix deluxe adjustable leather cuff under mattress set

About This Author

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  • Tigerlily author
    Jun 09, 2025
    Thanks! It's a PVC Kimono from ArtificeClothing with matching panel skirt. https://www.artificeclothing.com/collections/kimonos/products/short-pvc-kimono
    Sydney Screams
    Jun 08, 2025
    ok, I'm sorry, this isn't at all about the review but I just want to say that the latex set you're wearing in photos is freakin' GORGEOUS!
  • PC9527
    Jun 08, 2025
    interesting
  • D
    devil023
    Jun 08, 2025
    i want to try it with my partner
  • Sydney Screams
    Jun 08, 2025
    ok, I'm sorry, this isn't at all about the review but I just want to say that the latex set you're wearing in photos is freakin' GORGEOUS!

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