[i ran across this yesterday:
The similarities are remarkable, right down to the hinged attachment points:]
I seen his tank and and tryed to make it similar (Great Idea and design). I have never seen his tank in person, so I used the basic shape. He makes them out of Stainless, mines Aluminum. I thought about just buying one of his, but it was a bit to much money for me. Some just use u-bolts to clamp them to the pass hand rails.
Wish it was my idea, but like in my first post it was another Winger's
Smitty