2. Then hold the hair with a hair straightener and pull it down, as shown below.
3. Pull it to the end of the hair and roll it down, as shown below.
4. Put your hair down again, as shown below.
5. Put down your hair and roll it up, as shown in the figure below.
6. The hair at the back is also rolled up and pulled, as shown below.
7. Liu Hai also operates in the same way, as shown in the figure below.
8. The same is true for the other side, as shown in the figure below.
9. That's it. See the effect, as shown in the figure below.