Adjustable Nipple Clamps Bell Chain from The Dungeon Store. Adjustable Nipple Clamps Bells on Slave Chain feature a dangling chain with 10 shiny bells that ring as your sub moves. Know where they are with every gentle sway. Nipple clamps have rubber coated tips to keep your lover from having to remember their safe word, at least for now. Sold only as an adult novelty. Due to the nature of this product, no returns allowed if packaging is unsealed. Item is for use by consenting adults only as novelty items, fashion accessories or sex toys. We assume no responsibility for unsafe, improper or illegal use of these items. Please be safe, consensual and always use common sense!