Wouldn't EFMJ also violate the Hague?
Sure would, because EFMJ does expand. It doesn't seem to penetrate worth a flip, but it does expand:
http://www.thehighroad.org/showthread.php?t=289520&highlight=EFMJ
http://www.thehighroad.org/showthread.php?t=289512&highlight=EFMJ
http://www.thehighroad.org/showthread.php?t=289211&highlight=EFMJ