How many fortune tellers do you have with keys? _ How many keys do you have?

Two or three. A lock has 2-3 keys, which are accessories of the lock, and the keys are specially used for unlocking. Door locks sold in the market will be equipped with 2-3 keys, which can be more convenient for more than one family to use. Keys are common unlocking tools in people's lives. The main materials for making keys are copper, zinc, aluminum, iron and other metals.