Rimba Electro Play. This is the original first conductive, bipolar cock strap as we have designed and made it in the late 90's. This penis strap is made out of 2 layers genuine leather and all the metal studs in the inside are connected to lead wires. This strap is adjustable and closes with press buttons. This penis harness comes with a 2.5 mm mono jack plug and is Bi-polar. Both rings are adjustable on 2 positions by metal press buttons: 1. Ring behind the scrotum: Ø  45 and Ø 552. Ring on the shaft: Ø 35 and Ø 40 Handmade by Rimba in the Netherlands.