I'll send you some pix and please post it up for me. I'd said. I've been using this for years. Made it to Canada and back. Mexico D.F. and back without a hitch.Can you post some pictures please? I'd like to see what you're talking about.
I considered doing something like that but thought the passenger seat structure would be wobbly with a case attached due to freeplay in the rear lock latch.
Though, your concerns are very valid. I also have a bungee cord just in case.
Since I am at it..I'll show you guys the other Tai Mod
Who can post pictures for me..I'm too stupid and lazy for photoisland..damm I hate them.