Here's one NOBODY ever heard of

[PIANOTECHNICIAN at aol.com]

One time I was faced with the problem of some crusty treble damper felts in  
an upright that were causing that "zinging" sound when damping the strings. It 
 wasn't a sever case, and the felts had to be sanded very lightly with the 
finest  grit sandpaper out there. Being that I didn't have any, I used a bit on  
ingenuity by using my index finger as sandpaper - -the part of the finger 
that  makes fingerprints. It seems that the ridges that form the fingerprints are 
just  abrasive enough to do the job on a lightly-crusted damper felt!
 
Jesse Gitnik  NYC
Tech. since 1980
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