"Ema (絵馬, lit. "picture-horse") are small wooden plaques, common to Japan, in which Shinto and Buddhist worshippers write prayers or wishes. The ema are left hanging up at the shrine, where the kami (spirits or gods) are believed to receive them.:25 Typically 15 cm wide and 9 cm high, they often carry images or are shaped like animals, or symbols from the zodiac, Shinto, or the particular shrine or temple.:26 In ancient times people would donate horses to the shrines for good favor; over time this was transferred to a wooden plaque with a picture of a horse, and later still to the various wooden plaques sold today for the same purpose.:154 Once inscribed with a wish, Ema are hung at the shrine:49 until they are ritually burned at special events, symbolic of the liberation of the wish from the writer.:35" - (en.wikipedia.org 30.09.2019)
en
