Replying to Metal Corner Coaping (maitnence, and shit?)

for all yall ballas that been have metal corner coaping on your box, how is that shit as far as keeping it clean goes, whay do you do to keep it up to slickness,

and do you need to like grind down the corners cause they're sharp or summin summin, and like do you need to like buff the steel to make it slipery, or acually what the hell is buffing steel anyway.

help me please porfavor and shit yeaaaaaaaaaaaaaaaaaaa