I’m wondering if this might be something you’re thinking about? I just get excited from thinking of this possibilty. To be able to be pleased inside and out with the glide? You would be able to sell many different models. Beads, twist, beads and twist?
You mean that you want us to consider creating a cap with maybe a metal bar of some kind that is oriented down into the middle of the receiver and fucks your urethra while the Vacuglide receiver goes up and down?
Honestly, our product liability insurance would not love that, and so will leave that to the experts. Could see several ways of DIYing that. If that really interests you, ask ChatGPT to draw you up a plan on how to accomplish it, but be safe.
I don’t quite understand how rubber part plays. Especially the dimple(pimple?) with a hole in the center.
Please look at autoblowdemovideos.com to see it in action. The piston causes a vacuum in the chamber outside of the portion the penis is inserted into, sucking that part onto the penis and forcing it to move up and down