Last longer and stronger with the Male Masturbator & Stamina Training Cup. This pocket rocket is made to increase your longevity where it really counts: in the bedroom. Designed to build your love muscle's endurance, the Luvdollz Masturbator Stroker Cup features a simple opening, 6" of textured internal depth, and suction control for an ultra-real sex feeling. To use: slide the stroker on your third leg and use your hand to grip the cup.