The Teeter Hang Ups EZ-Up Gravity Boots with Conversion Bar Adapter Kit comes complete with gravity boots and a conversion bar - which converts the standard ankle clamps of select Teeter Hang Ups inversion tables - to enable use with the gravity boots. Aside from standard inverted decompression and stretching, gravity boots provide an ideal way to perform inverted exercises including core strengthening and leg workouts. Gravity boots have dual self-locking buckles that ratchet securely around the ankle and lower calf area for a customizable, comfortable fit. Super soft foam liners give maximum comfort with minimum compression. * Use with Teeter Hang Up Inversion Tables * Strengthens core and legs * Dual self-locking buckles * Kit includes gravity boots and conversion bar