Goto the store and bang the person with your umbrella, then talk, then select the save icon, then the slot. BTW, the store is up that cliff like thingy at almost all the way left of root village.
@Square: Don't get it. Its to hard and ununderstandable. Only reason I'm liking it now is that I've gotten past the first part, and now I am doing more fightung which is much more understandable.