Fetish Fantasy Series Alligator Nipple Clamps make your nipples perk with pleasure. Beginner Alligator Nipple Clamps are 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, and the weighted chain intensifies the pressure as you move and the chain swings.