The O-leg correction belt and the shoe straps sold online are definitely useless. The O-leg correction belt is just a piece of cloth, and it is not tied tightly, so it has no effect at all. The same reason , although the insole is theoretically low on the inside and high on the outside, after putting it on, it is less than 0.5CM, which has no effect at all.

Many legs are not straight. The force can be combined together. The standard method is to bring the ankles together, and then measure the maximum distance between the knees and calves in a relaxed state. If it is about 5 to 8 centimeters, it means a light or moderate O-shaped leg. From your description, it seems that there is a gap between your thighs, which may be related to the incorrect posture you have had since childhood. Therefore, if it does not affect your life, you can leave it alone. If you love beauty, you can use leggings. correct.