John Muir hiked with a cast iron skillet. Photographers take a full frame camera and a huge telephoto lens. Some people take folding chairs. Your back packing style and distance will determine everything. For me - I take a tiny pen knife and seldom use that, and get my pack down to 14 pounds, but I am just as well equipped as a friend who carries 40 pounds. There is no safety compromise. One might improve safety by the thought you put into your ultra light decisions. And save sprained ankles from a huge pack. But if you only go 1 mile, or less, the cast iron skillet is nice.
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