http://www.thesamba.com/vw/forum/viewtopic.php?p=3796308&sid=2907cde3b8d4024e632717 d801d5f419#3796308
An example from thesamba.com. The box would rest in the area the rear seat cushion fits and be as high as the rear package shelf, held down by angle iron brackets.
Engineered to roll slowly onto the roof, not multiple end-over-end flips.
