The pinch. The press. Questioning if you can handle the pain? Nipple Clamps are a good way to play with sensation and discomfort. Adjustable Nipple Clamps with 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. This product is adjustable. with nickel free metal, and rubber cap.