It's not necessary to get a protruding plastic bit to equip one's truck so, though. One could just have it airbrushed by Georgia O'Keeffe. Or Maude Lebowski.

Also, we both know what your proposed product should really be called, don't we? But modesty forbids me (or, I suppose, to continue the original trademark's misspelling, forbidz me) spelling it out in print...