i was messing in some drawers at work and gound 2 boxes of these hanging folders. these suckers have 2 metal rods in them that are over 12 inches long 5/16ths of an inch tall and thin enough to fit in the american 5200's paracentric keyway.
there is less material to file away than the feeler gauge and they have great memory(so when you bend them they will spring back) they also have freat tensil strength. so when you hold them on edge(like a pick) it is very hard to bend them. even when filed down as thin as you need to to make a pick.
they cant be expensive and walmart carries them. they come in boxes of 25. thats 50 rods... 100 double sided picks. or whatever else you enjoy making. maby 125 to 150 single sided picks i dont know.
i made my first home made pick today. i used this material. it works like a charm

on to the pictures... sorry about the crappieness i had to borrow a (crappy) camera because i left mine in the car seat while i was home.(its in the mail though)