Rancho Cordova, CA October 2, 2012 After the critical acclaim for the JK “Game Changer” Suspension System featuring the revolutionary 6Pak(TM) Shocks (Patent Pending #61/520,240) and Duroflex(TM) Joints (Patent Pending #13/368,570), many wondered what Metalcloak would come out with next. The answer: A Game Changer for the TJ.