This is the stick I have: http://shoryuken.com/f177/paewang-revolution-mayflash-modding-tutorial-ver-laugh-%5Blots-pictures%5D-222925/
The mounting plate doesn't fit, so the mounting method just involves the screw holes on the body of the JLF. The shavings in question were in between the body and the circuit board, and I cleaned it up just to be safe.