10 C’s of Survivability 1. Cutting Tool Should be a fixed blade that is full tang. Full tang means that the length of the blade goes all the way down through the grips. Full tang knives are stronger than half tang and aren’t as prone to breaking when batoning or doing other heavy chores. For redundancy a folding saw is also recommended. 2. Combustion Device Bic lighters are a great choice, or if you are more primitive minded, flint and steel is an option, although personally I've never used flint and steel. For redundancy a ferro rod or box of matches, preferably stormproof matches, is recommended. 3. Cover Tarps provide waterproof cover. I’ve woken up before in a puddle of water where my boots and everything in my rucksack that wasn’t inside a trash bag was soaked. Those were a miserable few days in the field. I strongly recommend using trash bags to store clothing, fire starting materials, books, etc. in case your pack gets wet. 4. Container Having a bottle for water collection is critical. Stainless steel cups allow for the boiling of water for killing bacteria and cooking. Having a water filter is also a fantastic route to go. I have used a LifeStraw before (which filters up to 256 gallons of water if memory serves correctly) and can attest to the filtering capabilities, however I have read reports of the LifeStraw not filtering absolutely everything out. I have not used the Sawyer Mini Filter but know that it filters up to 100,000 gallons and is an investment I’ll be making here soon. 5. Cordage The most common (in my experience) cordage that is used is 550 paracord. We used it in the military for tying down our weapon attachments and the nods (night vision) on our helmets. It can be used for putting up your cover element. Having spare cordage is a must. 6. Candling Device Having a flashlight and a headlamp assists you in seeing your surroundings at nighttime or any threats that are attempting to use the dark as concealment, as well as looking through your pack. 7. Cotton Bandana Can be used for a water filter, although mainly just to get dirt out of your water. Boiling is still pretty much a requirement. You can use bandanas to cool yourself off as well. 8. Compass Being able to determine your direction is important. At the bare minimum you know where NSEW are. 9. Cargo Tape For this I have Gorilla Tape. You can repair clothing, gear, hammock, tarp, tent, the list goes on. You can roll it up into a ball and use it as tinder. 10. Canvas Needle Same as the tape: can be used for repairing clothing, gear, etc.