In his Ask Me Another Challenge, Andy Serkis (Dawn of the Planet of the Apes, The Lord of the Rings) helps expand your vocabulary to include a spot of British slang. Any idea what the "collywobbles" are, or what happens when you throw on a "boob tube" before leaving the house? You'll be speaking like a Brit in no time.
But it's not the bag filled with American history books that kids heave to school. Nor is it the rugged, nylon thing athletes carry around. These backpacks are clever examples of fashion following function.