Plot: The Pawn Stars look to buy a 1929 Chopped Ford Coupe but if they can't agree on a price, will the deal end up rusting in the bone yard? Then, a cowboy wants to sell his mechanical calf-roping machine. Can Corey rein it in without Chumlee spooking the sale? And when the prettiest pawn shop employee continues to be tardy, Rick and the Old Man dish out a fitting punishment