Hang Ups EZ-Up Gravity Boots offer a lightweight and portable inversion solution that can be used with select Teeter Hang Ups Inversion Tables*, Inversion Racks and Bars, or even on secure, appropriately-sized bars** at the gym. Aside from standard inverted decompression and stretching, the Hang Ups EZ-Up Gravity Boots allow you to comfortably perform inverted exercises including core strengthening and leg workouts.