Which cock ring do you fit into? If you fit into a cock ring 1.5" in diameter or 2" in diameter then this thong-style reversible cock ring harness will give you the secure and sexy fit that you deserve. Each of the rings are made of a durable rubber material and are secured with fine neoprene straps that are adjustable to fit around your waist. Then all you have to do is turn the harness 180 degrees to slip on the cock ring of your choice, no need to attach or detach rings (hence the reversible). Now you'll be able to keep a fuller, longer erection giving much more satisfaction to your partner. With this reversible cock ring harness, you'll enjoy giving your cock a huge boost and your partner a huge dose of ecstasy.