Much has been discussed regarding the National Training System, developed by Kisik Lee. In fact, the non linear draw was posited and practiced by Dave Keaggy many decades ago. Every student of archery should have a look the Keaggy article and pay close attention to ‘line of force’ as it relates to ‘direction of movement’. Your coach can help you with some of the nuances discussed by Keaggy and reintroduced by Kisik Lee.

This reprint from Archery World 1963 is a must read: