The Darwin blade has a worm screw which can be screwed in or out from either side of the blade. This is what actually makes the blade "adjustable"...
I had previously sharpened my straights on my bench stones (oil & water) up tp 10000 grit. Then tried a Rolls blade. Could never ever get it...
I now regret having disposed of four Rolls Razors in the past because I couldn't get them shaving sharp. Recently I acquired some water stones (5k...
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