Introduction to wooden door locks: The meaning of wooden door locks in traditional Jeju life is said to be: if three wooden bars are put up, it means that the owner has gone away and there is no one at home; if there are two wooden bars One indicates that there are only children at home and no adults; one indicates that the owner has not gone far and you can wait or call. In another situation, if there are four wooden bars on the pile, it tells you that this house is a widow's house, and only those who are interested can enter.