When the Uchiwa fan is affixed to the front door, it is believed to protect the family member from illnesses which would prevail in the summer (Karasu Uchiwa (crow fans) distributed by Okunitama-jinja Shrine in Fuchu City Tokyo).
門口に貼ると夏の病を防ぐと信じられている（烏団扇／東京都府中市　大國魂神社）。