In Suwa Taisha Shrine Shimosha Harumiya, reed tubes are put into a big pan of red bean Kayu at the Kayu boiling house on the evening of January 14th, simmered through the night, and offered to the gods on the morning of the 15th; after the festival, the tubes are broken open, and the amount of Kayu in the tubes is measured to see whether predetermined kinds of crops will have a good or bad harvest.
諏訪大社下社春宮のものについて述べれば、1月14日夜から粥炊舎にもうけられた大釜のあずきがゆのなかに、葭の筒をいれ、終夜煮たて、翌15日朝、神前にそなえ、祭典をおこなったのち葭筒を割り、筒内の粥の分量を量って農作物のうちさだめられた種の豊凶を判定する。