I carry a buck crosslock, a gerber mutliplier and a Leatherman Micra. A small Puma folder sits in my kit. When I go biking, I have a plain edge 4" Spyderco folder and a Letherman wave. In my FAK is a pair of scissors and a seat belt cutter. I also have a fixed blade knife in my wallet. It has has a 1" plain edge blade.
When I think that I need it, I also carry a fixed blade knife.
In my biased opinion four knives are not too many. Maybe this isnīt the place to hear that youīre carrying too much equipment anyway.
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If it isnīt broken, it doesnīt have enough features yet.