<html> <body> At 03:29 AM 4/13/2004, you wrote: <blockquote type=cite class=cite cite="">----- Original Message ----- From: "gordon stelter" <lclgcnp@yahoo.com> To: "Pianotech" <pianotech@ptg.org> >>I may also try sanding down > the butt buckskin and lubricatinmg with some microfine > Teflon.     That wouldn't hurt, but just sand enough to remove excess fuzz, and again, remember it's still under warranty.  I imagine the excess fuzz or roughness will wear off normally with use.  Again, call Yamaha first before you go altering too much stuff on a new piano.</blockquote> Hi Dave,                  The buck skin is Escane,  doubt there will be much fuzz there.   Your advice to phone Yamaha USA is excellent.  Safe for the tech and the customer.    Since it is spring. I would bet a dime it is humidity related,  Pull on the hammer rail a little, and make sure that all hammers follow. Regards Roger</body> </html>