Rimba Electro Play flexible rubber ball parachute Including Cable. The rubber cup is Bi-polar and only conductive on the inside. The chute closes by using two leather belts with buckles. The cup is not self-adhesive so they need to connect well to the skin to make a good contact. Rimba contact gel provides optimum contact between the electrodes and the body, which has a positive effect on the sensitivity of power / electro shock.