Fresh Nipple Clamps Jaws with Chain are non-adjustable style nipple clamps. These endurance nipple clamps provide a continuous pinch. For the beginner start with 15 to 30 minute intervals. Check about every 10 minutes to make sure bruising does not occur. To intensify the experience use nipple arousal gel. Both women and men can benefit from nipple play. Fresh frisky, flirty, fashionable and fun, Fresh was created with animal safety in mind! Jaws clamps are also referred to as clover clamps, butterfly clamps or endurance clamps. This clamp is of Japanese design and can provide increasing tension if pulled, can be done by the chain. The clamp itself is flat and is 3.5 inches long by 1.5 inches wide. The clamp is applied to the nipple and the spring tension holds the clamp in place. The clamp usually provides a very high pain level, and is usually only used by more advanced users. To increase tension on the nipples, small weights can be attached to the ends of the clamp. As increased pulling tension is applied to the clamp, it will cause the jaws of the clamp to close tighter. Another method is to use the clamps to keep a person in one place. If cord is tied from the clamp to a fixed place, the wearer of the clamps cannot move away because the clamps will tighten as they move. Eventually the clamps would be pulled off the nipples but not before considerable pain is felt. Made using 100% lead free metals.Colors may vary. Made using 100% lead free metals. Endurance training, non-piercing body jewelry nipple clamps for women and men.