Prisms Triplets

This week I’m going to be looking at my second product provided by the folks over at, the Triplets graduated butt plug set from Prisms Erotic Glass.

The Prisms Triplets are a set of three clear glass butt plugs, ranging in size from very small to a modest medium, and are aimed primarily at anyone looking for a gentle introduction to anal play.
It’s quite a cute little trio of plugs, and looks almost like a set of inconspicuous ornaments when you arrange them together on a table. They have quite a squat shape, with a teardrop bulb, a short neck, and a narrow base, like a spade on a set of playing cards. 
Each plug is sized accordingly:

  • Smallest: Total length – 2 3/8″. Circumference – 4 1/2″
  • Middle: Length – 2 3/4″. Circumference – 5 1/4″
  • Largest: Length – 3 1/4″. Circumference – 5 3/4″
As you can see from the measurements they’re very much a beginner set, and aren’t intended to give that stretch or fullness that more advanced anal players will be looking for, but there’s still a nice amount of variety for those just starting out.

The plugs are very easy to insert thanks to their gentle taper, smooth surface, and modest size. As they’re made from glass it’s also one of those rare occasions where you get the pleasure of using a silicone lube with a toy, and a little dab is more than sufficient and will last a long time. Some people often express concern about the firmness of glass when it comes to first time anal use, but the plugs are actually very comfortable when you take due time with them, and will gently part the muscles and glide into place.
The benefit of having three plugs of different sizes is that it’s very easy to make the jump from one to the next. They all seem to complement each other, and once you feel that you’ve conquered one you can work your way up to the next gradually, without the leap in size being too great. 
One thing I dislike about the plugs is the size of the neck on them. It’s barely 3/8″ long, and this simply isn’t sufficient. For a plug to feel secure during use there needs to be space for the sphincter to rest along it, but when the Triplets are inserted to their maximum extent you can feel the internal sphincter muscle resting against the underside of the bulb and remaining dilated by it, creating a situation where they are more prone to slip out. To try to keep them in place you need to clench the external sphincter up against the neck, which isn’t ideal, and doesn’t allow you to simply insert one and then forget about it during prolonged wear. 
The other issue I had with the plugs is that the base itself is barely any wider than the thickest point of the bulb, which can present a safety issue. I had an incident when inserting the smallest plug where I managed to accidentally push the entire thing into my body, base and all, which as you might imagine can cause some alarm. When the sphincter is already relaxed enough and stretched for a given sized toy, it’s going to take very little effort for it to swallow up a base of a similar size. If you couple this with the neck issue, it’s very easy to keep on pushing the plug in, looking for that moment when it’ll feel secure, and by that moment you’ve already gone too far, so it’s a point of caution really. 
For these reasons I’d have to draw two conclusions about these plugs. The first being that they work better as a dilator set than they do as plugs. Hopping from one to the next is a good way to slowly train your sphincter to accept larger things, but the lack of an adequate neck makes them really impractical for actually wearing around. The second is that I wouldn’t recommend that anyone other than a complete novice use the smallest plug, because unless you’re so tight that you can barely handle a finger, there’s just too high a risk of you losing the plug inside.
Some of the advantages of glass toys include that they’re great for temperature play. If you toss them into a bucket of ice water before use then you’ll get a wonderful chill when you slip them inside you. Another thing I always find fun about clear glass toys is the aesthetic during use, because it provides a unique portal into the body, which otherwise wouldn’t be accessible. There’s always an aspect of curiosity to take a peek in the mirror and observe how exactly your body looks from the inside, or whilst stretched by a plug. 
A nice feature of the Prisms set is that each plug comes with its own little velvet storage bag, so you can pack them away safely after use. 
I have to say, while I do really like the idea of the Prisms Triplets set, I am a little disappointed by the final design. If they had a longer neck and a slightly wider base then they’d be perfect, but as they stand they have a couple of drawbacks which I’d urge anyone to take into account when considering a purchase. 
Many thanks to for sending me the Prisms Triplets, and they’re available right now from their website!