I really tried this thing. I've been through the Mojave and Empire deserts, dust storms, heavy rain, undulating roads, freeways, etc. The very first time I tightened one of the straps at the top was one of those to tie something tight and long, such as a sleeping mat or a tent, it immediately pulled away from the main part. I could still use it to just tie it to my security cage, but for most people that would disable that feature. Sometime over the next year, one of the small locking straps…