[vash]

Originally Posted by stealthn

The coolest one I saw was on a truck with a cap on it, it had hinges that let the whole mount fold down the side of the truck, so you could mount the kayak at shoulder height, strap it in then push the whole mount up to lock in to the brackets in the roof of the cap.

I'll see if I can find a link, very ingenious

Found it!
Amazon.com: Thule 897XT Hullavator Kayak Roof Rack Mount Carrier: Sports & Outdoors

that's pretty fantastic!!