In traditional clothing, buttons were not always present. Ancient people often used two ropes or ribbons to tie knots.
It was not until the Yuan Dynasty that round-headed buttons appeared. "Hand collar and right collar" is a style that has been maintained steadily during the reform and transformation of Hanfu. It is worth promoting to enjoy the beauty of clothing, and it is also necessary to popularize appropriate traditional knowledge. Do not judge bad luck based on odd or even numbers, says Fang Yun, a researcher at the Intangible Cultural Heritage Theory and Application Research Center of Shanghai Vocational College of Arts and Crafts.