One pair of coated nipple clamps, with tension adjustments, are attached by a nickel-free, 13 inches chain. At only 1.1 ounces, they are perfect for nipple stimulation and many other sensitive areas. Metal nipple clamps come with alligator style ends with a black rubber coat on the ends for added comfort. Make your nipples perk with pleasure with these nipple clamps. Made with durable metal clips and covered in soft rubber liners, these clamps are perfect for beginners and fetish enthusiasts alike. The amount of pressure you apply to the nipple is adjustable by turning the screw, while the chain give you subtle stimulation with each movement.