It is made out of Medical Grade Surgical Steel.
The top piece is designed to put pressure at the base
With it's extreme ball crusher, cock clamp, and anal plug this system covers all the bases!
From the bottom this includes a 3 1/2" anal intruder, 3 1/2" adjustable poles to separate and lock down your balls, an adjustable 2" wide cock clamp, and a ring on the end to be led around on