The innovative double-ended design enables water to run through the tunnel creating a completely new form of stimulation and perfect for fun sessions in the bathroom. This automatic stroker will blow your mind, simply insert your manhood and let the magic begin! Regular use of the Hydro Power Male Masturbator can help strengthen pelvic floor muscles which can help prevent erectile dysfunction. The silicone textured interior tunnel surrounds your manhood for maximum pleasure as you choose between 7 sensation vibrating speeds. Used wet or dry you can boost stamina and delay your climax. Cleaning is easy, simply rinse with warm water and apply a toy cleaner spray to keep it fresh. We recommend using a water-based lubricant.