Knowing how to eat a pine tree is the kind of survival skill that could very well save your life. But it is not quite as simple as one might imagine. Believe it or not, you cannot simply chop down a lodge pole and begin chomping down. There is a method to it, here's how.
Henry US Survival Rifle, AR-7: Leave it to Henry Rifles to take a design and improve upon it. The AR-7 was the civilian version of an Air Force survival rifle designed by Eugene Stoner, which Henry acquired the rights to circa 2007. As you can see from the picture, the rifle disassembles and fits into its own buttstock which is “water resistant” (Henry claims it will float and it may but don’t bet on it).