SuperTexan

Now that I have installed my roll pan on my truck, I have noticed that it seems to lack support underneath on the bottom. It sort of "swings" there from the top 5 bolts that go across the top portion under the tailgate. I have seen other guys trucks doing the same thing, the roll pan sticking out at the bottom. Ive got to come up with something to attach the bottom portion to the fiberglass of the bed/rear side step. I thought of epoxy, sealing up the seam with Bondo, down to actually putting screws, (as hidden as possible) attaching the two pieces in this area. Anyone?? I