~ after having to explain to a still somewhat hysterical christie that his banjo doubled as a weapon and was thus made of more durable materials than your run-of-the-mill hobos instrument ( hed made it himself ) and finally coming to terms with the fact that she was bringing her handgun along in case she needed to shoot him , the odd pair found themselves cruising along a two-lane highway through utah in christies old beat up chevy , with a shotgun in the back for good measure .