Rimba Electro Play bipolar penis harness made of nappa leather This handmade penis sleeve can be fastened by lacing and has metal studs on the inside which are connected to the power wires. When this strap is worn around the skin tightly, a shock can be applied. Always be careful, do not use if the skin is broken or irritated, if you have heart problems or are pregnant. Tip: use Rimba contact gel for best results. This item has a 2.5mm jack plug that plugs directly into all Rimba Power Box devices.