Use 12 guage wiring and just twist tie it on
Believe it or not but I was on my way to the San Diego comic con with a friend of mine when I noticed a 4Runner with a large metal basket on the top. I commented on how funny it looked.
Suddenly she gasps and says, "Look!!! It's being held on by 12g. wiring!!!"
Sure enough, the idiot had used some wiring and just twisted it on to the roof rack. I took a picture but haven't had a chance to scan it.
I'll do that as soon as I get a chance
