Your partner is wearing a comfortable collar, with neoprene lining and double Velcro binding. Connected to that collar is a 14" chain that leads to a pair of nipple clamps connected and ready. Just tighten the thumb screws on each clamp to apply extra pressure. The collar has 2 D-rings so if you want to include more weights or other bondage gear, feel free.
Specs: Submission Collar and Nipple Clamps
Size: Collar: Adjusts from 14 to 21 inches in circumference; Clamps: Opens to 0.5 inches wide
Material: Neoprene, nylon, Velcro, metal, rubber
This attractive set combines a solid collar with nipple clamps
The collar has neoprene lining and double Velcro binding
The clamps have vinyl tips for comfort and can be individually adjusted for pressure