My Mass. Friend said: <1. Frame rocking from poor bedding or warped with the backrail lifting off the keybed when the cheeks get tightened?> You most certainly have a clue Mr. Driscoll. Congratulations. Yes..as soon as I 'adjusted' the bass frame glide bolt, all was well. And you get the bonus prize for guessing that it is indeed a PR. Impressed, Phil Bondi(Fl)
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