One of the few video's I can post here from Advanced Knife Bro because of his lack of profanity (cough cough this means you Super Steel Steve! lol):
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"Gotta love living in 2019 baby, (63rc too soft on a production knife)"
--Shawn Houston
"I am still discussing issues of steels and performance at this stage."
--Cliff Stamp
"Cause geometry cuts, .....steel determines the level and the duration"
--Roman Landes
"But in general, I'm all about high performance, Ergos, safety. That's why I've been accused of 'designing in the dark' "
--Sal Glesser