Straw dolls

ushi no koku mairi (丑刻参り) lit. “ox-hour shrine-visit”[2] refers to a prescribed method of laying a curse upon a target that is traditional to Japan, so-called because it is conducted during the hours of the Ox (between 1 and 3 AM).

Ushi no toki mairi

Kaidan hyakkiyagyo
Kuniyoshi Utagawa
Around 1823