After the morning gongyo of December 31, clean up, put the uchishiki over the table, and serve the kagami-mochi putting on the paper spread over the oshiki (tray with folded edges).
12月31日の朝の勤行後に、掃除をして、卓に打敷を掛け、鏡餅を折敷に白紙を敷いて備える。