Master Series Ox Bull Nose Nipple Clamps. These large alligator style clamps are great for intense nipple play. The tips of these clamps are vinyl coated which provides a softer feel against the nipples. The intensity of the tension is adjustable with the screw located near the tips of the clamps. The clamps are attached by a silver chain. Attached to a single chain, once these bullnose style clamps are affixed to the nipples of your plaything, you can control just how much pleasure or pain they deserve. Easy to use 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.