How to lie down when shaving with an old knife?

Shaving with an old knife is a way to tidy your face with a razor. When shaving, the host will put down the back of the chair and the guests need to lie flat on the chair. The master will pick up a hot towel to cover the bearded part, and then he can start shaving.

Shaving China's traditional haircut technique can effectively remove excess hair and keratin from the face by shaving.