Masters Ox | Bull Nose Nipple ViceAttached to a single steel chain, once these bullnose style clamps are affixed to your partner's nipples, you can control just how much pleasure or pain they receive. Simply adjust the level of intensity by turning the screw located near the tip of the clamp. Tips are coated in vinyl for added comfort and safety. Measures 16 " long. Clamp opens to approximately 0. 5 " wide.