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Tuesday 28 November 2017 at 15:27
Quoted from Monster_Bash:
Its either the hole protectors scratching them..or the Theater entrance lanes (his are pounded flat already after minimal games)
I agree it's likely the JJP hole protectors scratching the balls (they are thick and sharp). They are much thicker than Cliffies. I've been using...
Source: http://pinside.com/pinball/forum/topic/dialed-in-damage-to-balls#post-4095837