Build strength and endurance anywhere, anytime using your body weight. The GoFit GoGravity Gym is an ultra-versatile system that has everything you need for endless exercise options. Anchor your workouts virtually anywhere: use the Door Anchor on a sturdy door, or use the Hub Anchor Strap on a weight-bearing anchor-point indoors or out. Easily attach Handles and Foot Straps for any workout. Strength training has never been more attainable at home or on the go!