They make your nipples tremble like an earthquake! These 1 speed vibrating nipple clamps of Ouch! Gives you extra pleasure, for him or her. You can use the nipple clamps for your naughty secrets or for constant stimulation when you are making love. Who says you can not have too much fun? Dimensions 3.54 inches by 5.51 inches by 1.97 inches. Weight 3.28 ounces.