Sui Li
Also known as Sui Mingzi and Cou Mingzi. Marriage etiquette. Before a man and a woman get married, relatives and friends contribute money according to an agreed amount, and then they make congratulatory gifts and deliver them to the man and woman who are about to get married. In the old days, the gift was limited to the relatives and friends of the man's family, but now it is also customary for the relatives and friends of the woman's family.
Outside a notary office in Istanbul, Turkey, a man and woman who had completed their wedding notarization had coins given by their relatives and friends hanging on their bodies. According to custom, when relatives and friends congratulate newly married men and women, they must pin money on the ribbons hanging on the men and women