Let me have my Cold Steel SRK. However, I always keep a small swiss army knife w/one blade, file, scissors, toothpick, and tweezers handy for minor surgery. The large heavy knife is nice for most tasks, and in a real pinch I could whittle my own toothpick and tweezer like utensils, so if it was only one let it be the SRK. However, any knife of decent quality greatly helps, even a 2 inch folder could make a decent survival knife, with the right mindset.
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Know Yourself, Know Your Weapon, Know Your Enemy; then Know Victory! ---DaHaMac
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Know Yourself, Know Your Weapon, Know Your Enemy; then Know Victory! ---DaHaMac