Tools: splint.
1. Preheat the splint first, and then iron all the bangs, as shown in the figure.
2. Start fine ironing. Each hair is spread on a splint for ironing, as shown in the figure, and bends inward when ironing.
3. It takes 5 minutes to start ironing on the splint in the same way, as shown in the figure.
4. Burn the deformed place of bangs several times. The trick is to bend slightly inward, which will be more stylish, otherwise it will be very rigid, as shown in the figure.
5. Finally, the effect shows that Liu Hai becomes normal and obedient, as shown in the figure.