Adds a salted rim twist to the classic Grey Hound cocktail which first appeared in Harry Cradock’s Savoy Cocktail book. 2 Part Absolut Vodka 5 Part Grapefruit Juice Glass: Highball Grapefruit Wedge, Salt Rim 1. Salt the rim of a Highball glass. 2. Fill with cubed ice. 3. Add vodka. 4. Add white grapefruit juice. 5. Garnish with grapefruit wedge.