http://www.attuworld.com/design/tom_ballhatchets_hamster_powered_paper_shredder

Way more useful than the hamster-powered-stubborn-jar-opener and every bit as ingenious as the hamster-powered-car-keys-whistling-locator. Whats in store next? Hamster based topical ointment for treating cancer? But beware my friends! Hamster science is a fickle mistress. One moment she provides a hamster propelled wheat planter to help feed the world. The next moment is a pandemic from a deadly strain of hamster flu.