Recently got myself an ocean worthy kayak (hobie), which means it 2x as heavy as my OK frenzy, and a pig to put on the roof of my car. After googling for a while, I decided to go for a home brew version of the Thule Outrigger, which seemed a little pricey.
Trip to my local Marshalls Hardware in San Diego yielded some appropriate steel.
Sanded and sprayed with some enamel paint.
Fits almost perfectly into the Thule load bar
Covered with a pool noodle, duct tape, and a tennis ball to prevent brain injury
Its now manageable to load my kayak alone. Lift nose onto bar, then lift stern onto rack. I actually made a second, so once its on hull down, its easy to flip it upside down without leaning over the car. Reverse the process for unloading obviously.
I pull them out and put them in the car once loaded/unloaded.
Cost was about $10 per.