Okinawan Kobu-Do Special Activities Posted on May 15, 2014 by Jim Caldwell in Special Activities Sensei Jay Overly and a couple of his students traveled here from Topeka, KS to participate in special Kobu-Do training. We concentrated on the Nunchaku and Sai. Kobu-Do Sem Nunchaku Oct 2013 Kobu-Do Sem Taiso Oct 2013