Leather Collar With D ring and Attached Nipple Clamps.

Collar Length: 20.5 inches, fits almost all

Rubber-Tipped nipple clamps have removable rubber tips for comfort, and the tension can be adjusted with the attached screws. Also sports a stainless steel (non-detachable) chain attached to each clamp for tying, pulling, etc..

Photo by Anon Sailor