1. Roll the leather with a rolling pin, with the thickness in the middle and thin around, and the thickness should be uniform and as round as possible;

2. Put the skin in the palm of your hand, with the powdery side facing the palm, and put the stuffing;

3. Fold one pleat with your right hand first, and then fold the second pleat;

4. Glue the two pleats together at the top, and tilt the top counterclockwise as far as possible;

5. Fold to two-thirds, change the left hand to grip, and then fold the next pleat with the right hand;

6. Fold the last pleat, stick it together with the beginning, showing a bowl shape, and press it down slightly with your thumb in the middle.