Monster Truck fans cover their ears as the roar of engines fill the air during the Monster Truck Jam on Sunday, June 10, 2012, at Speedway 95 in Hermon. The show feaatured truck favorites, Gravedigger , Northern Nightmare, Maximun Destruction and Crushstation driven by Jefferson Maine native Greg Winchenback. Winchenback managed to roll the truck and rip the tail section off the lobster that adorns his truck.