Rob Pincus explains the advantages of a muzzle low ready position, especially in an extreme close quarters situation. The low ready position allows for more efficiency and consistency when moving into a shooting position and for dramatically more control if your rifle is ever grabbed by an attacker.
Old-school thinking held that if a tourniquet were used on an extremity wound, the injured person would lose that limb. That has been shown to be incorrect, and tourniquets are now in the first-aid kits of medics on battlefields and streets worldwide.
Instructor Don Edwards discusses and demonstrates the differences between shooting with a bipod and shooting from an improvised rest. Both methods can dramatically increase deviation control, but the improvised rest techniques are much more versatile and universal.