Cestos combines the metal and vibration for amazing results. For lovers of metal sex toys, you can now enjoy a brand new experience.Nexus sculpts metal to create the shape and dimensions of Nexusandamp;apos; most popular butt plug, Ace Medium. Explore 6 vibrating functions, low, med, high, slow pulse, high pulse and escalating using the controls on the toy or the remote control.Cestos is waterproof too so you can enjoy temperature play by running the toy under hot or cool water.