These are very cool. They are adjustable nipple clamps with three connecting chains. The bonus is that you can wear one, two or all three of the chains at once depending on how much weight you want and/or how you want it to look! 

Experience the sensation with the Signature Silver exCHAINgeable Nipple Jewelry, featuring adjustable nipple clamps, removable comfort tips, and three detachable chains in graduated lengths.

Finished in striking silver metal, the chains create a bold tiered drape that adds weight, movement, and customizable sensation. Two removable gate rings allow for easy personalization, while adjustable pressure, interchangeable chains, and compatibility with temperature play offer versatile ways to explore.