The big roll and the small roll are the sizes of the bars used when rolling the bar. The big rolls are big flowers, and the small rolls are small flowers.

The S-type is the effect of winding the hair around the hair more than twice when curling, forming wavy curls.

C type is the effect produced by winding the bar around the hair in one or half a circle when curling. Generally, the effect of making the ends of the hair is to form an inward curling effect or a flip-up effect. Very short hair has a big curve behind it, with texture, lines and fluffiness, making it more natural