Helmed by martial arts instructor Willy Cahill for nearly 50 years, the instructors at Cahill's Judo Academy dojo drill students in the martial arts of Kodokan judo and jujitsu. In spacious studio interiors, students embark on up to 2.5-hour classes, rehearsing throws, grapples, strikes, and joint locks to subdue opponents and force stubborn jam jars to yield their contents. The instructors are well-versed in the combat-focused jujitsu and in the less combat-intensive practice of judo, working to hone state- and international-championship medal winners participating in Olympic events, Pan American Games, and special competitions.