At 14:56 -0600 9/12/07, Alan Barnard wrote: >Heavy cloth-backed emery paper is nice because it conforms to the >contour so well yet takes off the rough stuff. Yes, or 3M fre-cut even better. But if, as I think, David is planning to re-contour the bridge, then I would have a grinding shop make up a tool in cobalt steel to _scrape_ or "scratch" the new radius first with the tool held in a home-made scratch stock. It would be very slow and inconvenient to to this with files or abrasives. JD
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