Incidentally, if no one has ever seen the kind of damage that something like this can do, I found this video. Granted, Mr Ames was throwing a tomahawk, not a hunga munga, but you can still get a pretty good idea of the kind of technique to use and how to aim at yoyr target:
[ame]http://www.youtube.com/watch?v=1Qqy_N9KaG4[/ame]
(I just couldn't resist.)