Put your submissive or slave through a unique torment with a set of nipple clamps that allow you to add weight in an unusual way! In the style of butterfly clamps, or clover clamps, these attractive pincers get tighter as they are pulled. rubber tips ensure that all pain is in the form of pleasure and that they maintain their grip. to add weight, simply fill the small, hanging buckets with water, lube, sand, stones, or whatever your devious mind can come up with.there is a bucket attached to the clamps. just fill it up with whatever that comes in your mind and you will see the clamps tighten up around the nipples.the rubber tips will ensure that the clamps maintain their grip.it is easy to clean.produced from high-quality stainless steel.