1. Simple kneading method: knead the dough into long strips, cross-wrap the two ends, and gently knead for one or two turns.

2. Twist method: Twist the edge from one end to finish the closing.

3. Corrugated twisting method: cut the dough into strips, weave it into a net, and press it into corrugated shape.

4. Twist method: after twisting into strips, pull in the opposite direction and wind into twists.

5. Screw method: roll the dough thin, roll it up and screw it into a spiral shape to complete the closing.

6. Fish-shaped rubbing method: cut the dough into strips and knead it into a fish shape from one end through the other.