The beaded broad tip nipple clamps from Spartacus are a perfect mix between jewelry and nipple clamps. They're fully adjustable and can range anywhere from a mild sensation to a full on bite for the nipples. These clamps are a dual adjustable clamp. They are black, sleek, very light and extremely strong. The beads below the clip are beautiful and sturdy, and the broad tips are covered in soft comfortable rubber. The whole clamp in nickel free.