[Cameron Redenbach]

Not sure what year rav4 but many other options exist if you have a handy friend. As well helps if you have the Thule or Yakima rear roller supports

This is a one you can purchase , but something easy that can be made.

http://www.oakorchardcanoe.com/suvroller.php

or similar but made from wood http://canadiankayakanglers.com/forum/index.php?PHPSESSID=41a8c94e24ae2f42fd18eeb8c0f42730&topic=1833.0