When you mix beer with ginger ale, you get a shandygaff. When you don't know what to mix your beer with, you get what's called a shandy gaffe. Avoid mixology mishaps with today's deal from Fine Art Bartending: pay $49 (regularly $165) for a four-hour bartending class at this downtown academy of alcohol. Classes take place from noon to 4 p.m. Sunday and are kept small to ensure individual attention for each student. Learn about what's shaken and not stirred as Fine Art's professional bartenders educate you on proper pouring techniques, various mixing methods, and how to concoct signature cocktails, martinis, and popular shots. This hands-on class will also teach you bartending basics like how to stock your home bar and host a party, as well as how to garnish special drinks and provide five-star customer service. Whether you'd like to take the first step toward becoming a professional drink-slinger or you simply want to mix things up with a new hobby, it won't be long before you're pouring like a pro. Become a master of the martini and avoid future cocktail cock-ups when you grab this 70%-off deal. Want more? Check out Fine Art Bartending on Facebook.