so, you shake these metal cans around until a stick with a number pops out. you take the number over to the booth, where you are handed your fortune. traditionally, if the fortune is good, you should take it home with you. you are only supposed to tie it onto one of these trees if it is bad and you want to leave it behind you. our tour guide said many young people don't know the tradition, so now they tie all of their fortunes here - it's quite trendy.