Imagine the enticing blend of leather and metal, collar and clamp...pleasure and pain. Master Series offers the Coveted Collar and Clamp Union, a two-in-one set designed for submission. The high-quality leather collar fastens with a buckle and features two 12-inch chains connected to a front D-ring. The chains end with adjustable nipple clamps that can be easily tightened or loosened with thumb screws, allowing you to determine the level of punishment for your naughty one.