FWIW, I took a scrap of 18 G stainless, roughly 2.5" long and 0.50" wide and rounded about the first 1" against a piece of 1" pipe. I then ground it to a round end and smoothed it and fit the square end into a saw kerf in a 4.5" long scrap of hardwood. I drilled a couple of holes into the wood and through the stainless for set screws, mounted the blade, and polished it with a buffing wheel and buffing compound. I like the way it works. I'll try to attach composite image taken from two sides on my scanner.
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