2.Kabuki brush:
(Also called mushroom brushes). Such brush only includes of bristle and bottom case. In fact there is another part-a blank tube inside the foundation pipe, which is used to carry the bristle. However it is invisible from outside.The material of the bottom case could be metal, wood, bamboo, plastic or others.
3.Retractable brush:
Consists of four parts: a upper cover, a bottom cover, bristle, and the joint of two covers. The bristle is covered inside, so is invisible from outside.
