Nipple Clamps Jaws with Chain are Japanese style non-adjustable 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! Colors may vary. Made using 100% lead free metals.