I'm replacing pear green jack regulation felt punchings on a '42 WNG action in a concert grand that started thunking on key release and jack return. Stuck a thinner white one on one and it stopped the thunking. I'd like a fix that lasts more then three years (the other punchings were new three years ago). What are your favorite action punchings and where do you get them? Andrew Anderson, Artisan Piano
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