Double Penetrator C-Ring (Purple) The Double Penetrator is a cock ring and anal probe all in one. The cock ring will keep him harder longer and the penetrator ensures no hole goes unfilled. Two variable speed bullets, one in the shaft and one on the cock ring, offer unparalleled clitoral and testicular stimulation. The Double Penetrator is waterproof and 5.25 inches long for enjoyable play anytime, anywhere. Batteries included.