[pianotech] Rendering fix

[Jon Page]

I came across this and was prepared to use a MulitTool and buzz the felt 
at an angle under each unison and remove some felt. A felt punching can 
be place further back if needed. This might not work if you need to keep 
it pretty. But the piano stopped having that difficulty and I didn't 
have to resort to power tools :-(

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Regards,

Jon Page