They use a pour over coffee method, pouring the whiskey and water over the coffee right at the bar.
RecipesPour Over Irish CoffeeBy Backbar, Somerville, MAPhotography by Matt DuckorFebruary 27, 20144.0(2)Matt DuckorArrowJump To RecipePrintThey use a pour over coffee method, pouring the whiskey and water over the coffee right at the bar.Recipe notesBack to topTriangle