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This is what I have. Enough smooth blade for food based emergencies (lunch) and non emergency rope cutting. the hole is positioned so it hangs nicely, not certain that would be the case for the ones with the hole in the blade.
If under tension thin climbing cord cuts rope etc pretty easily. As my wedding ring is round neck on thin cord I tend to not bother with the knife but I would take on big mountain routes, mainly for cutting excess tat away from abseil stations, I keep whistle, a bit of finger tape and some spare tat on same carabiner.
Why not one from a climbing company that will go niely on a carabiner?
https://www.petzl.com/US/en/Sport/Packs-and-accessories/SPATHA
also why not serrated? I thought it would probably be handy in an emergency.