Yu-Ai Kai Japanese American Community Senior Service will hold its annual mochitsuki at the San Jose Buddhist Church Annex, located at 640 North Fifth St. in Japantown. The mochi pick-up hours are from noon to 3 p.m. Volunteers are needed. Mochi will be sold for $4 a pound. Orders must be received by Friday, Dec. 9. Info: (408) 294-2505.