According to Wiki "Cracker Barrel Old Country Store, Inc., doing business as Cracker Barrel, is an American chain of restaurant and gift stores with a Southern country theme. "
So you can dine on the staff and customers* and take anything shiny as tribute.
*I'm assuming they are the crackers in every sense.
@LRRRonEarth Shop is the correct term. What you do with the merchandise (aka biscuits and mac & cheese) is inconsequential. As long as you remain fully clothed.