Do you have "Harbor Freight" stores near you? that's where I got mine.I think I spent less than 5 bucks
Needle files? What kind of store/department would sell these?Maybe in an arts and crafts section of Wally World? They sound like a good idea. I was thinking of using one of those cheap, really thin fingernail files, but that won't help with smoothing out the protruding divot.