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There's a certain agony associated with searching for travel, some of which a flight-aggregation engine like Kayak alleviates.

Earlier this month, we looked at the X-Ar, an exoskeletal support that attaches to the arm and shoulders, allowing users to keep their X-Ar-attached arms outstretched for hours on end. Now we have video of the gadget in action. The device, manufactured by Equipois, could prove invaluable to anyone who works with their arms all day--think surgeons, jewelers, and factory workers