It is best to choose buffalo horn scraping comb as the scraping device, because buffalo horn itself has the function of promoting blood circulation and removing blood stasis, and it will not generate static electricity when scraping the head, and the teeth of the special scraping comb are blunt and will not damage the scalp. Shaving is the same as combing your hair on weekdays. First shave the top of the head and the back of the head, from Baihui point on the top of the head (pictured) to the front hairline, and then from Baihui point to the back hairline; Scrape the sides of the head again, put the scraping board vertically on the front hairline (as shown in the figure) and the scalp point above the ear, and scrape it from front to back to the hairline behind the ear, just like drawing a question mark around the ear; You can also scrape radially around Baihui point.