Brian De Tar posted: <<...OK, OK, how much is "over-tightening"? I wouldn't go more than 1/2 turn past the point of contact with the plate...>> Referring to May 1984 Piano Technicians Journal, pages 27-29, Shop Talk, Agraffes, by Susan Graham, RPT, San Francisco Chapter once again, she explains "...it is advisable to 'force' the agraffe no more than a quarter turn past the point where it first contacts the plate..." This might an alternative to preventing a possible "Damn, I screwed up!" at all. Keith A. McGavern, RPT Oklahoma Chapter Referring to
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