As they say: Pardon the construction mess while we improve the premises! Another C-Brat wanted to see a few detail photos, but I happen to be in the middle of doing some work in this locker, so ties and clamps are off, wires are dangling, and certain improvements have yet to be made. It's not my lazarette's best moment ;)
Fiberglass angles work as cleats. Weld Mount footman loops adhered to them hold battery straps. Angles are fastened to laz shelf with machine screws tapped into epoxy plugs in cored shelf.