It seems that every year manufacturers add a new function to the backpack or carry-on. In 2012, it was the Micro Luggage scooter. In 2013, it was the Glyde Gear Fly backpack-trolley-scooter. And in 2014, it's the Olaf backpack-trolley-scooter-skateboard. This 4-in-1 pack offers some serious flexibility for transporting you and your belongings.
Read the full article: Olaf combines backpack, scooter, roller luggage and skateboard