... or tie it to the door handle when the cab of the truck is 'in use'.
lmao...
Seriously though... I've run into 2X4's or what have you walking around a truck, and they probably weren't much more than a foot or two sticking out.
I get so freakin' mad at my guys around here sometime... they'll take a cherry picker (engine hoist) and get through using it and leave it out in the middle of the floor about eye level... I got a couple bumps on the head from that too...