3-Mile Long Island Iced Tea via Common Man Cocktails

This looks pretty solid, but I believe the bitters add what the cocktail needs as far as the flavor palate

Recipe
1/2 oz. Gin
1/2 oz. Rum
1/2 oz. Triple Sec
1/2 oz. Vodka
Coca-Cola
Sweet/Sour Mix
2 Dashes Bitters
Lemon Wedge