Briefcases first emerged on the professional scene in courtrooms in the 1920s, and they went on to become symbols of white-collar accomplishment and sophistication. Until recently, however, the common briefcase was a bit blasé, and if you’d seen one, you’d seen them all. Fortunately, things have changed over the past few years, and now working professionals are able to carry a one-of-a-kind case to make a stylish statement. Exasperated commuters can even pick a briefcase that transforms into a scooter – so no more stinking trains and traffic jams! Here’s a look at 15 cool briefcases guaranteed to kick your career into overdrive.