The trick is not to come up with something that works well now; the trick is to come up with something that would be running six years from now given zero attention or support.
Madness string 1723
People don't seem to like the idea of having two near-identical masks floating about, though if you look closely they're not even that alike. The general shape and pattern, perhaps, but... it's all in the details, yes? If you make it general enough, all masks are similar anyway.