From manual labour to high-tech pleasure. The Universal Dynamic Stroking Cap fits perfectly on the VacuGlide from Autoblow to transform any conventional stroker masturbator into an automatic hand and blowjob machine. The adapter fits any sized stroker and is simply placed in place of the end cap. The powerful VacuGlide masturbator and the stroker are then connected for fully automatic, intense pleasure. The Universal Dynamic Stroking Cap consists of: 1 x flexible silicone cap (16 cm wide); 1 x Velcro strap; 1 x silicone valve. Masturbators/strokers not included.