Cut Italian sausages into 1/2-inch pieces and place in a deep skillet over medium-high heat; cook 3 to 5 minutes or until lightly browned. Drain.
Cut kielbasa and bockwurst into 1/2-inch pieces; add to Italian sausage in skillet along with green onions and cook 5 minutes or until lightly browned.
Reduce heat to low and stir in beer, TABASCO® Sauce, and parsley. Simmer 8 to 10 minutes, stirring occasionally. Pour into a chafing dish and serve with toothpicks.
Serves 8 to 10.