“Ladies and gentlemen, allow me to present a fabled “The Right Tool”. This is the only tool that can be used to remove the oil filter housing on a Lamborghini Gallardo.”
Mortician's tool
tool for Lamborghini, photo of Ferrari
#22 or you could use a clothes pin...
#24 Available at every Harbor Freight.
#16 I always see them using a magnet. There is enough steel in the primer to pick up a shell.