Darrell Bluhm Sensei, right, and his wife Cindy Eggers demonstrate wooden sword weapons training during a spring seminar at Green River Aikido on Dickinson Street in Greenfield.
Darrell Bluhm Sensei, right, and his wife Cindy Eggers demonstrate wooden sword weapons training during a spring seminar at Green River Aikido on Dickinson Street in Greenfield. Credit: Recorder Staff/Dan Little

GREENFIELD — Green River Aikido on Dickinson Street hosted a spring seminar with demonstrations of wooden sword weapon techniques.