The Choker Strap is a key component of the Jelco Pole Choker 3 Fall Prevention System. The 1 3/4 inch wide yellow nylon strap squeezes the pole, the roller's teeth dig in to provide the gripping force required to prevent you from falling down the pole. If you would like a video, demonstration or training on the Jelco Pole Choker, please call 888.474.9628.