Aoya Chopsticks

...There are also legends that link it to Minamoto no Yoritomo and Rokudai Gozen (the son of Taira no Koremori), but it is difficult to say for sure. However, there are similar practices that are thought to be related to this, such as Aoyabashi and Aoyasama, which are practiced in various parts of Ibaraki Prefecture, and at the Misayama Festival held in late August at Suwa Taisha Shrine in Nagano Prefecture, a hut is built out of thatch and pampas grass, and the priest and others stay inside. There are also cases in which ordinary households also make offerings of red rice and pampas grass in connection with this. [Tanaka Nobuichi]...

*Some of the terminology that refers to "Aoya Hashi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…また，源頼朝や六代御前(平維盛の子)に結びつけて説く伝承もあるが，確かとはいい難い。ただこれに関連するかと思われるものとして，茨城県各地には青屋箸，青屋様といって同様のことが行われているし，長野県諏訪大社の8月下旬の御射山祭（みさやままつり）には青茅や芒(ススキ)で小屋を設け，神主などがこの中で籠ることがあり，一般の家々でもこれに結びつけて芒に赤飯などを供えて祭る例などもある。【田中 宣一】。…

※「青屋箸」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報