I am trying to mount my CB antenna in my bed. The problem I am running into is the stupid plastic Ford bed liner that is in my way. Can I mount the antenna bracket to the liner or does the bracket need to be grounded in some fashion. Otherwise I am gonna have to cut a big hole in the liner. I didn't really wanna do that cuz in another month I am spraying my bed and thought maybe someone would want my liner. Anyone have any suggestions. Thanks a lot.