Quoted from CoolCatPinball:Yes, if it gets loose and you dont notice it, slamming the post with the ball can cause chips in the clearcoat. It's a free and easy fix.
Sorry, I’m sure this has been covered a bunch but I’m just getting into this thread now. I assume the post you’re talking about is in front of the upper flipper. Is that something that needs to be replaced if it’s loose? Can it just be tightened?