N, to Solver, cheerfully: Actually, technically that USB-cross wasn't a MacGuffin! See, the whole definition of a "MacGuffin" is that it's something poorly-defined, which the plot never gives a coherent reason for why it's so important! The Crucifix Patch, on the other hand, was clearly specified as being able to remove the -- (he screams as monster-claws lunge at him)
