This video was filmed at a seminar in Finland in August 2014. It captures a small section of an examination of the use of the “reinforced block” to control the enemy’s limbs and open them up for attack. We practised this concept in a variety of drills; short sections of some of which are shown in the clip. As always, it is neither the kata, the bunkai or the drill that is important. What truly matters is the formation of combative habits in accordance with the principles encapsulated by the kata.