In case you find yourself in an outdoor survival situation. Snares and traps- Everyone should know this and about the edible plants (and be able to make a positive ID of those plants if in doubt it's best not to use).
If you need to pitch a tarp or tighten a fly, you can make an impromptu tarp clip from a split twig, a matchstick and a bit of string. Works best if the clamping part is long enough to go over the folded edge of the tarp.
How to Choose and Fit a Backpack: Hit the trail with a pack that fits your trip and your body. This infographic shows you how. It includes instructions for measuring your size and making all the right adjustments for a custom fit.
The trucker’s hitch is a compound knot that functions as a kind of pulley affording a mechanical advantage effectively tripling the amount of pull on the working end. Use the trucker’s hitch when tightening up tarp lines, securing loads or making bundles.