Henry Ward Beecher said, 'A tool is but the extension of a man's hand, and a machine is but a complex tool. And he that invents a machine augments the power of a man and the well-being of mankind.'
Does this count? Kind of looks like it would hurt.
Of course there was the real life version back at NAB in April...The guys and girls from Easy Rig are taking Backpack Journalisim to the next level. There is actually a review on B-roll.net about this unique looking contraption.