"Artificial vaginas", also known as "pocket pussies", "vaginas" or "masturbators", are modelled to accept a penis for simulated intercourse. They can be shaped like vagina, anus, mouth or anything with a hole and ready for a penetration. Most are equipped with ribbed chambers and a realistic type materials that work similar to a real thing. Most men masturbate by hands, having a masturbator will definitely improve sensation and orgasm of a man.