How did jiaozi wrap it in slow motion?

How to pack jiaozi in slow motion is as follows:

1, put stuffing on the dumpling skin.

2. pinch it in the middle of the right side.

3. pinch it in the middle of the left side.

4. Pinch the outer edge with both hands, pinch the edge as little as possible, and squeeze with both hands pointing to the middle to push out jiaozi's belly. Note: the veteran can pinch directly, omitting some extra pinching.

The above is Bao Jiaozi's slow motion.