Course Man - weapons.

Man - the most perfect animal on Earth. The rate of passage of nerve impulses in us is much higher than the fastest predators.
Civilized man is stronger and faster than wolves and leopards, just do not use all of its features.

Widely known case where a fragile woman

hand truck stop to get out from under the wheels of his son.
The old woman at the fire made the house his trunk, which then could not be torn away from the earth, four strong men.

Such cases - an example of the potential disclosure of pledged in extreme situations.

Course-Man You like open arms as possible. The primitive force, the instinctive reaction, fighting reflexes of genetic memory - it's all there and in you.

You can wake up these qualities to use in actual violent conflict. His opponents you show maddened wild beast.

Similar techniques are used elite special forces soldiers.