The screw tension is in the middle of the bar to achieve a snug fit over a wide surface. Like an anvil, these metal clamps can be screwed down until they reach the desired tightness. All metal for those who love the cold, hard feel of metal on their body. This clamp adjusts from comfortably snug to quite tight, and can grab a somewhat large portion of flesh. Adjustable cross bars lower and trap the nipple very securely The square shape provides an attractive visual as it frames the nipple. These clamps will hold on through fairly strong tugs on the chain without having to be tightened to the point of discomfort.
