Duo linked cock and ball rings. Nobody's done this before! We made a chain-style set of interlocked rings for guys that like double grip. Used as a double c-ring or flip one ring down for the balls..its all connected so any movement transmits down to the sack. MATERIAL: plus+silicone - TPR/siliconeblend DIMENSIONS: RING#1 W:2.25"H:2.25"D:.5" OuterCirc:6.75"InnerCirc:3.75" RING#2 W:2.5"H:2.5"D:.5" OuterCirc:7.5"InnerCirc:4.5"