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in survival situations, a knife is an invaluable asset. and a good survival knife is one of the most important survival tools in all survival equipment. in the extreme survival environment, it is not only a cutting tool, but also a multi-purpose tool that can help survivors to complete firewood and fire, build camps, hunt for food, and protect their an excellent survival knife generally has four key factors: 1. strong structure; 2. reliable performance; 3. sharp and durable; 4. smooth control. survival knives outdoor knife.syi