Chayon-Ryu is based on those natural movements found within each of its parent styles: Chineses chu'an fa; Japanese karate; Korean taekwondo; Okinawa-te; judo/jujitsu; hapkido/aikido. Moreover, the Chayon-Ryu teaching method is undergoing continuous study and refinement to ensure as effective a style and as safe a learning experience as possible for all students.
https://www.kimsookarate.com/chayon-ryu-philosophy