I have a checkering file which I purchased from Ford Piano Supply _years_ago. One does not need to create gouges but fine ridges. I don't see this as really chewing up the buckskin, rather it helps prevent both surfaces from being polished and thereby postponing that kick-back/spring-up; whatever you want to call it. Eventually the buckskin/backcheck will need to be replaced, so will the hammer but in the mean time this helps with solid checking. The checkering file also comes in handy for prepping glueing surfaces, especially veneer work with hot glue, ivory; I use it frequently. Jon Page At 12:42 PM 9/16/98 +0000, you wrote: >Greetings Everyone! > > OK, spot quiz time.... > > What do you use to groove/roughen the tails on a newly installed set >of grand hammers? > > Eagerly awaiting a flood of responses... > > >Rob Kiddell, >Registered Piano Technician, PTG >atonal@planet.eon.net > >
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