Does Dong comb have a mechanism?

Have organs. The unique Dongshi silk health care comb in the world is a national patent comb, because Dongshi silk comb is in the position of comb ruler, and there are mechanisms and springs in it. A tool for combing hair. In the ancient civilization of China, it was invented by Princess Fang of Xuanyuan Huangdi, who was inspired by fish bones. Originally named for its wood, it is also called wooden comb.