By Nick Selbe The IOC forced Marino to paint over a Prada sponsorship on her board, and she later dropped out of the big air contest after suffering a fall during practice. View the original article to see embedded media. The International Olympic Committee is facing questions after an injury to American snowboarder Julia Marino, which followed an IOC-mandated change to her snowboard meant to cover up a Prada sponsorship. Prada is not an Olympic sponsor, and therefore the IOC deemed Marino’s gear was not in compliance with the rules. She was told to cover up the logo or use a different snowboa…