The Sleeper Hold, you've seen it in WWE wrestling and UFC fights too. It works. The sleeper hold basically constricts the flow of blood to the brain rendering the victim unconscious temporarily. The technique is taught in martial arts and self defense training and it really works.

A skill practitioner of the sleeper hold can have his victim down and out in less than :15 seconds. Who knew that animals knew this skill? When we think kangaroos and kangaroo fighting we think more about a knock out punch from those big strong legs. In this case the kangaroo uses his smaller but obviously strong enough front paws to subdue his attacker. It's a pretty amazing video.

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