Danzo's right but I still drill the smack outta em! Go to walmart and get the smallest drill bit you can find and drill into the screw the whole thing always comes out for me. The set Mr. D talks about is expensive since im a cheap wad! the bit is like 3 bucks!

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"All things are subject to interpretation whichever interpretation prevails at a given time is a function of power and not truth. "
Friedrich Nietzsche