What is the lacquer wood comb unearthed from Qin tomb in Fenghuang Mountain, Jiangling, Hubei Province?

Painted wooden combs unearthed from the Qin tomb in Fenghuang Mountain, Jiangling, Hubei Province, two people sat on the floor opposite each other, with two maids in the middle, with a bun on their heads and pointed shoes under their skirts. On the back is a dancing woman, a singing girl and a man playing music. Draw lines with black paint and color them with red and yellow, which is very harmonious.