Steffi Hamann, RCJ 2009 � Lorenz HolderTension is mounting for the seventh edition of the biggest snowboard event for girls only: at the Roxy Chicken Jam 2010 from the 08th to the 10th of January 2010, snowboard stars like Cheryl Maas (NED), Kjersti Buaas Oestgaard (NOR), Janna Meyen-Weatherby (USA)..