I carry spare truck parts with me, too: lights, fuses, supplies needed to do electrical repairs, heater hose and clamps ... Hammer, pliers, vise grips, open-end/box-end wrenches, socket set ...

The Arkon mount anchors with a pair of adjustable clamps that tighten around the metal ... We prefer a version with a hose attached and a straight chuck, because that design makes it easier ...