So, then do the single radius gougers have no side-to-side adjustments to change the side thickness? I have 2 graf gougers and have never had any other type so I don't know how they work. And do the Ross/RDG machines require a blade that is shaped perfectly symetrical so that the cane is not flipped around to make the final contour even?
Do you notice real differences in the reed? Does one type help say response, dynamics, etc... better then the other?
Was Tabuteau's gouger a single or double radius type? What qualities about it would cause him to say that the gouge is more important than the 'grattage' (scrape)?
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