The Rum Mule is a refreshing and tropical twist on the classic Moscow Mule cocktail. Made with rum, ginger beer, lime juice, and a splash of pineapple juice, this cocktail is perfect for sipping on a hot summer day. The combination of the spicy ginger beer and the sweet pineapple juice creates a balanced and flavorful drink that is sure to impress your guests. Serve it over ice and garnish with a lime wedge for a truly refreshing experience.