- Sturdy Stainless Steel Hook: Designed for safety during your workouts, this hook can support up to 220.5 lbs. The upside-down hanging buckle has a diameter of less than 3.5 cm (1.4 in), ensuring reliable performance. - Enhanced Hinge Design: Upgraded hinge and lock sleeve provide increased durability, preventing any accidental detachments during use. Includes an electroplating lock with a fixed locking device for added security. - Comfortable Padding: The interior of the upside-down boot features a thickened sponge sheath approximately 3 cm thick, offering superior comfort and protecting your feet from potential injuries. - Pain Relief and Muscle Stretching: Ideal for relieving pain and stretching muscles in the neck, back, and shoulders. Helps decompress intervertebral discs, making it an effective solution for alleviating back pain. Height measures approximately 20 cm (7.9 in). Use Scenarios: 1. Home Workouts: Perfect for incorporating into your home fitness routine, helping to enhance flexibility and relieve muscle tension. 2. Physical Therapy: A great tool for rehabilitation exercises aimed at improving spinal health and relieving discomfort. 3. Stress Relief: Use after a long day to unwind and alleviate stress, promoting relaxation in the neck and back areas. This product combines functionality, safety, and comfort, making it an essential addition to your fitness or wellness regimen.