"Dunno. Its just there are monsters and, um," what was the word...? "cyborgs, or machine people or something and they all want to kill and eat us. Well, maybe the machine people don't want to eat us. But the convoy has sheilds at night that...somehow...keep things out. I don't know how it works, it just looks like light.

"Also its safer in numbers, I guess." Hm, but if this guy can't see...well, he can ride in the convoy itself probably. "Everybody has a vehicle, but I think some people ride on the big truck itself."