The Bathmate Barbarian power Ring is an ideal cock ring to use in combination with your Bathmate penis pump. The ring is made of soft, smooth and very stretchy material for a perfect fit and maximum wearing comfort. The ring is extra thick, so the pressure on your penis is divided properly while using the pump and wearing the ring. Put the ring around the opening of the pump and roll it onto your penis before removing the pump. This way you can enjoy your erection for a longer period of time.