Under the assumption that an emergency kit like the ones listed here are for the emergency of getting lost and being stranded for days, how necessary is a knife sharpener?
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While it can be useful if you are really out in the wilds, say in the Amazon jungle, and using a machete to clear every step, I wouldn't expect to carry a knife sharpener for a trip under a week. For short, non-jungle expeditions, A swiss army knife with a couple of blades is often enough for most people. To summarise - it can be necessary for longer trips, or for overgrown jungle, but for many it won't. | |||
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It's not necessary, but something that you probably would want to carry, especially if you plan on using your knife much. Buy a diamond file, very small & lightweight, and you can resharpen your knife with little effort. I like to use something like this to keep my knives sharp:
I typically just use just one of these, you don't have to carry all three of them. | ||||
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