Advocate III
I took some split ring clamps that they use for hanging pipes, Plasti-Dipped them black (actually my cousin did that part), and attached some Quick Fist tool mounts to them. The hangers just happened to be the size needed to clamp around the FJ's stock roof rack tubing (the vertical parts of the roof rack). I'm not sure of the clamp size because they were given to me, but I'm sure it wouldn't be difficult to figure out what you need. I do know the clamps are only $1.50 online. I went to the local hardware store, found the screws with the correct thread to attach the Quick Fists to the clamps (3/8th x 3/4th hex bolts medium thread), some #10-24 nuts to secure the pipe clamps, used a 3/4" drill bit to make the holes in the Quick Fists a little bigger so the hex bolts would fit through, and poof.........tool mounts for roof rack. As an added bonus, the Plasti-Dip eliminates the possibility of rattling on the roof rack: