Do you know the address? snafi tablets price in pakistan But food trends trickle down even to those who are not hip. Mass-market mash-ups include Taco Bell’s Doritos Locos (a taco with a shell made from Doritos); Kentucky Fried Chicken’s Double Down (two fried chicken patties cradling bacon and cheese); and Wendy’s pretzel bacon cheeseburger (a pretzel bun). McDonald’s McRib — a pork sandwich that mysteriously disappears and reappears from the chain’s menu — was an early exercise in mass-market scarcity.