1. Lift your left leg into a lunge hanging leg. Do your best to bow at a right angle. At the same time, slide your right leg back half a step. Remember to synchronize.
2. Lower your left leg forward, and at the same time, slide your right foot back again by half a step. Remember, it's the force of the left leg being lowered that makes the right foot slide backward at the same time. The center of gravity is between the two legs. Favor the front.
3. Lift your right leg into a lunge hanging leg. At the same time, slide your left leg back a half-step. Remember to synchronize.
4. Lower your right leg forward, and at the same time, slide your left leg back again by half a step. Remember, it is the force of the right leg lowering that makes the left foot slide backward at the same time. The center of gravity is between the two legs. Favor the front.
5. Go to the next cycle. The speed can be accelerated slowly.
6, speed up the technique is: lunge hanging leg fast landing, if skilled, you can try to lunge leg straighten without landing, step in the air, then slide backward half a step, at the same time raise the other lunge hanging leg. This will speed things up.