Precautions: O-shaped leg X-shaped leg beautiful leg correction method 1. Stick the soles of your feet against the wall, sit well, extend your arms to the maximum, grab your ankles and bend your upper body for 3 to 5 seconds, repeat 10 times. 2.Lie on the ground, palms up, arms close to your body, back of your hands close to your body, chest tall. 3. Stretch the ankle towards the head. 4. Repeat actions 2 and 3. 5.On the basis of action 4, slowly set the legs and put them down. 6.In a relaxed state, stretch your body to adjust your breathing for 5 seconds and then repeat the above actions. 7. 20-30 minutes is an appropriate time for a gymnastics. Specifications: Material: diving material Colour: Black M: Suitable for calf circumference 33-38cm, middle leg circumference 35-40cm, thigh circumference 40-47cm. L: Suitable for calf circumference 35-40cm, middle leg circumference 40-47cm, thigh circumference 47-56cm. XL: Suitable for calf circumference 40-47cm, middle leg circumference 47-56cm, thigh circumference 56-65cm. XXL: Suitable for calf circumference 47-56cm, middle leg circumference56-65cm, thigh circumference 65-74cm. Package includes: 3 pieces belt