Watching 'The Hobbit' on DVD

The shop around the corner had it really cheap and even gave me a free packet of crisps with it because it was some sort of cross-marketing promotion, so the Nazgul and I are now watching 'An Unexpected Journey' with the ability to rewind and slow-mo. And I got an answer to something that I was wondering about since I'd seen it in the cinema!

( Spoiler -- of course! )