In this episode of The DenshoW audio martial arts magazine: A profile of Goju Ryu instructor and author of "The Way To Black Belt", Kris Wilder.

Self protection expert, Jamie Clubb, explains the OODA Loop & the Colour Code System and how it relates to street attacks.

What to expect from a Krav Maga grading.

Plus: The importance of a warm up, news and events.