One Bourbon, One Scotch, One Byrrh

Name: One Bourbon, One Scotch, One Byrrh
Prep time: 5 min
Cook time: 5 min
Total time: 5 min
Yield: 1 cocktail
Cuisine: Cocktail
Ingredients: 1 dash Angostura bitters; 30 ml Bourbon; 30 ml Scotch; 1 tsp Triple Sec; 30 ml Byrrh