Ushi-no-Toki-Mairi (Japanese: 丑の時参り, lit. "ox-hour shrine-visit") or ushi no koku mairi (丑の刻参り) 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). The practitioner—typically a scorned woman—while dressed in white and crowning herself with an iron ring set with three lit candles upright, hammers nails into a sacred tree (神木, shinboku) of the Shinto shrine. In the modern-day common conception, the nails are driven through a straw effigy of the victim, impaled upon the tree behind it. The ritual must be repeated seven days running, after which the curse is believed to succ...