I've noticed that armour never appears to actually protect people in any movie I've seen. Star Wars, Lord of the Rings, King Arthur, etc, etc. It's like the armour is just for appearance. The slightest tap with a blade will cause the wearer to crumple into a lifeless heap. Come to think of it, I don't think I have ever seen a weapon glance off any movie character's armour - ever. What's up with that?