Bullworker - Bow Extension/ISO-Gym Starter Kit for Strength Training, Flexibility Extension. Bodyweight, Isometric Strength Training, and Iso-Motion for Total Body Fitness;

Enhance your Bullworker or use as a standalone isometric strength training device with the Bow Extension/ISO-GYM Starter Kit. The Starter kit comes with a 5 foot static nylon strap, door loop, carry case, and chart.