Metric Arm Strikes & Blocks System Vol 1 DVD by Jim Wagner

With this new work divided in two parts, Jim Wagner, backed by a
2 decades of experience in the military and police, help you simplify
your training and learning only those blows and blockades that really
work in combat. In this first volume, discover that there are only 10
primary directions with which to attack an opponent with his hands, and
only 10 possible directions in which your opponent can attack you with
their fists and elbows. These are the angles primary underlying systems
military and police around the world because, when the time comes, the
techniques must be simple and effective.
– Languages included in DVD: English, Español, Deutsch, Italiano, Français