A&E Silicone Penis Ring SetFlex your erotic superpowers effortlessly while enjoying any play time experience with help from these incredible rings! Each ring is stretchy and easy to slip onto your shaft and remove later. They act by restricting blood flow. This keeps your shaft pumped up to maximum size, and makes it easier to build up to those big, shake the walls down finishes. Go for a little or a lot of support and boost your length, strength, and stamina the natural way.