Strap them on with bungee cords, rachet straps, or a flexible coiled bicycle lock from your local retailer to keep them safe when you're not on the trail.
RagoFabrication.com makes bolt on mounts for ActionTrax that fit on Toyota bed rails and Hi-Lift jacks. Many other manufacturers do as well. Just good recovery board mounts and ActionTrax should be compatible with racks that hold any of the major brands.
Finn Fab offers a hood mount system. Contact them on their website for more info.
Pins made in China and / or sold from Australia will work in ActionTrax. 3 ActionTrax boards will fit in a standard pair of pins. 4 ActionTrax will fit in an XL size pair of pins. Our mounting hole spacing is standard. It is four keyholes spaced in a rectangle 34 3/4” x 10 1/2.