The mechanism of a gun is to gather all the force of the body into one point. The human body's power comes from its legs. With the contraction of muscles, Darren's military boots turned slightly, gripping the ground like nails.,Power travels from the feet up through the pelvis, the pelvis and spine must stay stable, the whole body twists as one force, then the shoulders, arms...,Could he have learned to point a gun in such a short time!。