TONYKO Anti Gravity Inversion Boots for Stress Relief and Fitness (Blue 1)

BENEFITS- Relieve back pain and muscle tightness; Separate compressed spinal discs and stretch muscles; Work out abs for more effective exercises QUALITY- 150KG weight capacity; Comfortable padded sides for contoured fit around your ankles; Sturdy hooks fit over bars and buckles close the pads COMPATIBILITY- Hooks are for use with standard 1-1 1/2" diameter chin-up bars; People with thinner legs should wear boots or use extra padding for secure fit DIMENSIONS- Suitable for horizontal bars from 1 to 1.5 inches in diameter. Inside diameter - 3 7/8”, Outside diameter - 6 1/2", Length: 7 1/4", Padding: 1 1/4" thick. SUITABLE POPULATION- Suitable for people who have the basics of upside down training.Those who do not have the basics of upside down must be assisted by others and these people may feel ankles hurt .