"Salt."

And a smile tugs up the corner of Charlie's mouth. There's something nice about filling in landmarks in the empty parts of John's map of the world.

"You ever been to the sea? Great big fuckin' thing. You evaporate the water, and hey presto, you got salt. Tastes fuckin' good. Meat, you can pack it in salt to dry it out, make it last longer before it goes bad. Kinda the same idea as buryin' it in snow, only chewier."