jigeye

There was already a crack there that I stop drilled. What happened was the plexiglass came loose from the edge and aggravated the problem.
I'd like to make it "bullet proof". If this means using fiberglass tape from the inside, screws to fasten it to the canopy, and paint it, then that's fine.
Dunno how to do the fiberglass tape or paint it.
Need ideas.