Add a new level of meanness and pain to your nipple play with these Tyrant spiked clover clamps! The meanest of our collection, these Japanese Clover clamps only intensify in pressure as you pull them or put weighs on them! Instead of a soft, flat or padded clamp, these have round-tipped, spiked, metal clamps that really bite down on the nipples and areola! The metal can be heated or cooled to add as part of a temperature-play scene.