I use an upright bass hammer(with a padded ball attached, which fits into my palm) as a key whacker also, but find that about half way thru a normal tuning, I have to use my emory file to remove the black build up from striking the sharp keys! If I fail to do this, at least periodically, the black residue will stick to the white keys and look bad. This, though, is the only set back to using my thumper, but well worth it. I'm wondering if I apply protek, which seals the felt, or even coat the hammer with McLube, if it will reduce or eliminate the sharp black from sticking to the felt. Terry Peterson Precision Piano Service Torrance, CA _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com
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