I completely understand that one can be separated from one's pack and supplies and that it's wise to have some gear in pockets or otherwise secured to oneself. That said I'm not a minimalist when it comes to survival gear. As an avid outdoorsperson with a keen interest in survival and bushcraft I can say that I have decent skills and practice a lot of them frequently. But survival isn't camping nor practice. So I endeavor to carry enough stuff on me to give me every possible chance at success.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman