What kind of weapon do the giants use in the film Harry Potter and the Deathly Hallows - Part 2?
I thought at first the weapon might be a scythe, but it's clearly not. It's like half a circle of iron mounted on a mast of some kind. What kind of weapon is this?
To the untrained eye like mine -- and I know nothing about weapons in Fantasy -- it doesn't seem like a particularly efficient weapon; it's blunt, it seems ungainly, and from scenes in the movie it seems like a slow weapon to wield. Is this a particularly useful weapon? Perhaps I just don't know much about it.
Sorry for the poor image quality. It was the best I could find.