This really does give good guidance to understand the logic behind the flurry of fists & feet you see in the ring. It's just basic, showing a single block, plus a few counter strikes to each blow thrown at you, but it really can put your training on the right tracks. Kaman has a translator convey his English (Dutch accent) words into German, which is.a little tedious if you don't speak German.
It shows students of a mix of ages, genders & abilities & just looks like a normal session in your local club. After he shows a few sample counters, they get to improvise their own. Hes huge friendly polar bear character, who puts everyone at ease & guides their sparring speed to be just right for learning without ego, plus a sense of humour. . The pace is very easy to follow.