This thread will show some picks I make.
Here is my last 2012 pick, a Gillette hook I made for Puritanen. It's a steep hook with a thin shaft, great for high low bittings. It's a bristle shaped with my wet grinder, sanded to 1000 grit sandpaper and buffed with the red polishing compound. Heat shrink and 2 drops of super glue to keep it in the handle, an used Gillette shaver.
I tested it with the first lock I grabbed from my toy box, an American 5200. Very precise and agile pick.