• 【Durable Material】 With heavy duty metal hook which can withstand and hold a large amount of weight on the pull up bar of most size, the anti-gravity boots also have a heavy duty metal band with a secure double lock to ensure that the user's feet and ankles are safe and secure.
• 【Extremely Comfortable】 Thick foam padding to secure of the inversion boots.We suggest that People with thinner legs should wear thick socks or use a towel for extra padding for secure.
• 【Benefits】 By using this gravity boots, you can relieve back pain , muscle tightness and spasms.Work out abs for more effective exercises, hang upside down back stretch.
• 【Wide Use】 The gravity boots can be perfectly fixed on ankles and feet of any size, and has a strong safety lock to ensure that the feet and ankles will not slip over the inversion boots, and can be attached to most size pull up bar (less than 35mm in diameter).
• 【Tips】 1. Make sure gravity hook is securely fastened to bar. Ensure tight yet comfortable fit around your ankles. 2.Consult a doctor for persistent back pain before usage.