Sal, 32, and Antonio LaMartina, 28, fourth-generation New Orleanians, were at a Gulf Coast beach when Antonio got the idea of putting frozen margarita drinks into a squeezable pouch, kind of like a Capri Sun for adults. The product, "Big Easy Blends," is now in thousands of Walgreens stores across the nation, among many other retailers. (David Grunfeld/MCT)