In ancient China, there were many rituals that we had long lost. At that time, getting married needed to listen to his parents and arrange a wedding for him. At that time, "tying the hair" and "tying the bun" were two important ceremonies, both of which used the hair of newly married men and women as a token of engagement and marriage. To tie your hair is to take a strand of hair from two newlyweds who are about to get married and twist it together. This was the ceremony of tying people widely circulated at that time.
At that time, knotted hair was a symbol of female identity. If you are a serious girl, you will get engaged before you get married, and the wedding ceremony is also highly valued. At that time, there was another way to tie up your hair with a special silk rope. This kind of rope is called "tassel" and is a kind of silk rope. After the woman is betrothed to others, she ties her hair with a tassel to show her marriage. Others should stop thinking.
When getting married, the groom personally untied the "tassel" and officially got married. On the official wedding day, this rope must be untied by her husband himself. At this time, she officially became a wife. Until then, the bride and others can't take it off. Because taking it off is equivalent to disrespect for the groom, it can be seen that the etiquette culture at that time was still very particular.