What is Nipple Clamp?
1.
A device that typically is composed of 2 clamps with a chain in between.
Used for clamping onto nipples to make them more erect for use in sexual activitys, or in a BDSM environment.
Ouch, I shouldnt have worn those nipple clamps all night long...
the Mistress attached the nipple clamps onto my breasts, and pulled me, subserviantly to the bed.