In japan, “Let’s have tea” means to talk and rest over tea and a few snacks. It does not matter whether the members have tea. But the tea ceremony, ‘tea’ conveys more mental communications among the particepants.
Folding Fais is said to bring good luck, as the shape of an open fan is “Suehirogari”. “Suehirogari” means gradually widening toward the end. It signifies increasing success.