The next free self-defense clinic at the Lawrence Tae-Kwon-Do School, 1846 Vt., will be from 1:30 p.m. to 3 p.m. May 30.

Grand-Master Ki-June Park said participants should bring a cane or a stick to class. If participants have more than one cane, they should bring extra to share with others who do not have one, Park said. For more information, call 841-5661.