I'm a massive fan of Combative's,
There whole concept & attitude for keeping things simple when executing techniques in the heat of battle & drilling those chosen 2 or 3 techniques.
Also the forward mindset of exploding thought the target are just a few off the top of my head i can think of.
Combative expert Kelly McCann is a military and security analyst who was a U.S. Marine special-missions officer responsible for counterterrorism and counter-narcotics.
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Credit to Blackbelt mag for the clips below.