Take stroking to the Xtreme! The Xtreme Optimum Power Rotating Turbo Stroker brings masturbating to the next level. The stroking canister has an internal ribbed jelly soft stroker with swiveling columns of beads. The beads move around the sleeve with the multi-speed controller. The controller requires four C size batteries (not included) for the ultimate in self-satisfaction. Next time you go solo, go Xtreme!