Cyberskin Vulcan Ass Stroker with Warming Lube. The Vulcan Ass Stroker and Warming Lube offers an authentic simulation of anal sex from its tight elastic opening to its finely ribbed snug sleeve. The gently warming water based lubricant heightens sensations while the grip and pull of the textured tunnel coaxes users to a satisfying release. The extraordinary sensations of this masturbator also make it an effective stamina training tool, helping develop technique and staying power through use and practice. Cyberskin is a soft, durable material that lasts a long time and is easy to clean and care for. Simply turn the 100% waterproof sleeve inside out, wash with antibacterial soap and warm water, and dry completely after each use