There is one very simple difference between a Greyhound and a Salty Dog: a salted rim. That single, seemingly benign addition makes a big impact, though. It transforms the sweet-sour sipper into a zesty powerhouse of flavor. Briny and bracing, this extremely easy-to-make cocktail has it all.
The Greyhound was the O.G. Gin and Juice. While the concept of mixing gin with grapefruit juice goes back as long as gin and grapefruit juice have existed in the same temporal plane, Harry Craddock was first to publish a recipe for something like the Greyhound in his Savoy Cocktail Book in 1930. It called for gin, grapefruit juice and ice...