[clinchriver]

A buddy and I recently made the trip from East Tennessee to Ann Arbor Michigan for a "pro fretting and set up" class. His guitar was a Martin 1968 O-16NY that he purchased new and over the years had become unplayable. He "compression fretted" his guitar, I was a casual observer from the adjacent bench, very subtle approach, Fretboard was leveled with a 16" sanding beam (I believe he got his from Murmac) minimal stock removal then going mainly by feel and careful observation of how the neck was responding, just a hint of backbow was introduced. After a very assiduous fret level, crown and polish when strung up it was absolutely perfect. The key being minimal stock removal, superb action and playability.