2. Straight-line running method: Pull a bright plastic belt on the ground or draw a straight line with colored chalk, so that the straightener can stand on both sides of the straight line and run along the straight line, and try to avoid splayed feet when running.
3. When sleeping and resting at night, try to fix your legs with pillows and keep them straight, which has a certain auxiliary effect on correcting the external eight-character walking. In fact, walking correction is needed.