Tough call. The pattern is really great and all of them take care of anything you could expect of a small fixed blade and then some.
If it came down to one it would probably the green Tero Tuf and that's only because it has some history.
Billy Cochrane helped me put this one together back when he still had Vintage Knives. I sourced the handle material and he coordinated the order with the Dozier shop. After I received it I actually sold it back to Billy to fund another purchase. It sat on his website long enough for seller's remorse to hit me and I bought it for the second time. I'm glad I was able to reclaim it as there probably isn't another one like it.
In fact, its back on the belt today.
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