Just saw this on the net. Interesting but I'm not too sure on the legality in this country.
"For occasional trips, barbecue parties under the trees of national parks, spontaneous camping, and long out-of-town walks with your pets, you might need just a couple of pieces of innovative car devices.
If the trunk is already full, and you still have a troop of bags that have to go with you, you can attach this roomy car back carrier to the back of your vehicle."
Back-Carrier-2.jpg Back-Carrier-1.jpg
Also not much room for the spare tyre, couldn't get the barn doors open on a Patrol, and would be interesting if you also wanted to tow anything.