This anal hook is ergonomically designed to stimulate the prostate and add sensation for anal play. Anyone of any sex can use this. The stainless steel ball to part of the hook can be inserted up to 3.5 inches. The long piece rests up against the back. The loop can be hooked on to rope or any bondage equipment. It has a strong hold. The ball gives stimulation and allows the user to be hooked upward without impaling its user.