Here's the one I have... Forgive the quick pool noodle pad I had to employ on the last usage, which was probably 4-5 yrs ago!
[ATTACH=full]126801[/ATTACH]
I have the height set in the middle so it has room to go up or down from this position.
Here is the single crossbar. Note the picture of the canoe on the pickup with the hitch extender. This is how I used it on my truck:
[ATTACH=full]126803[/ATTACH]
