I liked this video. We here at DeMarSouthard.com get real excited about online marketing and the state of the economy, but when the sh*t hits the fan (and it will), you better be prepared for anything. Survival means a lot of things to a lot of people. You may never find yourself in the wilderness, but having some skills and information at hand is never a bad thing.
Man up, guys. Make sure you can take care of yourself out there. It's not only necessary, it's fun.
And check out this great trenching tool. It got great reviews.