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Not that I have used one, but perhaps an adjustable D/E might be the go.

Let me guess, the mystical dubl duck dubl edge blade :) guaranteed to never go blunt:)

Hnsb has an online shop, he has a vintage D/E for $9 available. If you want to sell the straight gear then do so if you don't use it. But maybe get a D/E first and see if it suits you better. Or just...