October is the season for tsukimi, or moon-viewing in Japan. Traditionally, celebrations would be held during the full moon after the harvest, and nighttime parties under the moonlight are still popular today. One common folk belief was that the craters and shadows on the moon made the shape of a rabbit, particularly one pounding rice into mochi. A common food made at this time is tsukimi-dango, dumplings made from mochi filled with sweet bean paste. These are often set out next to decorative displays of susuki grass.