Quoted from Nibbles:That pin is protected in a dirt cocoon. You buy that thing, it'll clean up f'ing nice!
Exactly right; that is far better than any clear coat job could ever do to protect that playfield . . . all that dirt probably has the CPU about to fry though. I'd look for Nucor (which supposedly is about to make a comeback, better than ever) to go with the purchase of that sucker.