So... do you put your knives in a vise and bend them till they snap... This guy does that, beats on them with hammers, chops cement blocks and so on. He IS trying to destroy them, and he succeeds. Testing in the field using real, practical applications which knives are designed to be used for is completely different from what noss does.
I wish we could focus on the question of knife-edge-profiles, but this whole new discussion is a commandeering of the OP's photo-collection thread. My apologies. I am an ass.
Great photos, btw!
Jake, if you ever get around to watching any of the vids, it's best, like most stories, to start from the beginning, not the end - Lateral-stress is this guy's
3rd-to-last 'test'. If you do watch from the beginning, you'll note differences in how different knives perform. They do
not all
'break/perform badly if the "tester" is trying to break them or misuse them'. That is part of what makes those demonstrations so interesting (imho), and it's also what makes your previous statement
demonstrably false. Just making an objective correction, no offense intended.
And you are correct, 'testing in the field' IS very different from what he does. He does not claim to be doing a field-tests with hammer and vise, he is doing
limit and
abuse tests. As for 'real, practical applications which knives are designed to be used for' - I think you may have a fairly limited view of what constitutes 'real, practical applications' for the sorts of knives he 'tests' if you discount slicing, cutting, chopping, batonning, tip-prying, digging, and puncturing

(the first and most prominent demonstrations he performs). But, to each his own. *shrug*
I've never heard this guy claim that the knives 'tested' should be used for such purposes as chopping concrete, slicing 1/4" steel, prying-open car doors etc., sledge-hammering, or even use as a make-shift step. His demonstrations simply highlight comparative strengths and weaknesses of various products, and give the viewer a base from which to estimate the stress limits of those products. What will happen if you DO use this knife to pry, cut metal, if it strikes a rock or concrete, or if the spine encounters another metal object? Personally I find that information more useful than viewing demonstrations of 'hard-use' knives slicing toilet paper and cardboard, or sitting on someone's desk as they brag about them

, and also more informative than simple 'destruction" videos where a knife is subjected to an acetylene-torch or .50 impact -
much more efficient if your intention is simply to destroy a knife

But, to each his own.