The Hwa Rang Do, founded by Supreme Grandmaster Dr. Joo Bang Lee in the 60's, is a unique martial art thanks to its amazing ability to evolve as a system, adapting its wide arsenal of 4,000 techniques to modern needs such as military and police situations, sports competitions, fitness, self defense, as well as healing, general health and personal development. In this first video of the series, Grand Master Taejoon Lee, 8th dan and eldest son of the founder, will show us how to defend against a knife attack, using a knife ourselves, as a defensive weapon. A set of concepts, tactics and strategies, which along with their applications, allow us to better understand how to defend ourselves in this kind of situations. Bonus material: interview with Dr. Joo Bang Lee, History, Theory and Demonstrations of Hwa Rang Do.