Mochitsuki is a traditional mochi-making ceremony in Japan. It requires two people. One person pounds steamed rice into the dough with a traditional mortar (臼:usu）and a mallet（杵:kine). The other person turns over rice each time it is pounded. They have to keep rhythm to make mochi well. These days, normal families rarely do classic mochitsuki, but it is still popular at community events or with children's groups.