I used a screen door hand, gold hardware to match, and used 3/8" bolts to hold on to the lid
I used sheet aluminum and rivited it to the lid for support, and then I rivited sheet Aluminum to the sides and the bottom to keep them from blowing out on me on the road.
not bullet proof, but you can kick the crap out of it now.
Now with a little polish, a cheap 35 dollar bag looks like a 45 dollar bag
Reeves