I'd have to say my trusty BM-42. It sees the most use, from breaking up the ice in the freezer to stripping wire when I'm working on the electric fence, nothing does it better. Since I can't carry the 42, I guess I have to pick the most versatile I can carry, which would be the Mini-AFCK.
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Small minds discuss people,
Average minds discuss events,
Great minds discuss ideas.
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Small minds discuss people,
Average minds discuss events,
Great minds discuss ideas.