If you want the overall hairstyle effect to be uniform, you can choose a sponge curler, and pass the hair tail through the sponge curler and roll it along the hair tail to the hair root. This is the second step of tying Korean meatballs.
After the whole hair is rolled to the root, the tail of the sponge curler is fixed and the button is buckled, thus completing the basic steps of Korean meatball head.