Bridal chamber is belonged to in all ceremonies marry a grand opera inside ceremony category is " combine hair worn in a bun or coil " , also call " the knot is sent " , its are indicative the meaning is husband and wife harmonious, always written guarantee homocentric. "The knot is sent " past dynasties of particular mode of operation is different. First when the Qin Dynasty, Qin Han " the knot is sent " , it is bridegroom solve with one's own hands go to what what the bride writtens guarantee when a married woman's parents' home making the ribbon of marriage, fasten the colored ribbon of the hair namely, strung does it again after combing a hair afresh. Sui Tang is the following " the knot is sent " , it is both sides of male and female each cut next a few hairs, pull " combine hair worn in a bun or coil " , it is the horse hands in a bride to save commonly rise. Of Chao Cai of Tang Dynasty poetess " midnight song " the cloud: "According to cut cloud bun already, lang Yi divides a hair. Look for ask unmanned office, coil up makes homocentric written guarantee. " the description that is this one practice. Common people is commonly used " the knot is sent " , " combine hair worn in a bun or coil " the generation that joins as husband and wife says, refer in particular to even for " first wife " (also say " first wife " ) couple, the sense that states the each other between husband and wife respects each other to love is great.