XR Brands Master Series The Triad Chamber Cock and Ball Ring. The Triad Chamber brings the skill of domination in threes. This chrome cock cage features three differently sized O-rings with which you'll ensnare your dog. The biggest ring circles the cock and balls just like a normal cock ring. The center sized ring circles the balls, supplying the wearer having a pressure sensation. The 3rd ring circles the bottom of your penis that will help you maintain the type of erection that can last for extended sessions. The Triad Chamber is ideal for the knowledgeable user who desires a sleek and modern look, but seeks a weighted, more supportive cock ring. Measurements: Large Ring: 2.05 inch internal diameter, Medium Ring: 1.84 inch internal diameter, Small Ring: 1.57 inches internal diameter, Bands are .29 inch thick. Material: Chrome Plated Steel. Category: Cock Rings, Master Series, Metal Cock Rings, Multi-Ring Cock Rings, XR Brands