This deep lurid reddy-brown cocktail won't be to everybody's taste but that's only to be expected with one-and-a-half shots of bitters. However, if you...
If you like this (and I love it!) -- try the Port of Spain (also on this website.) I love it as much as a Trinidad Sour, but it's cheaper to make (uses less Angostura) yet still highly bitters-forward. Personally, I think it is more balanced, especially when using a smokey Mescal. You can even sub Scotch, as a commenter points out. IMO the key to both TS and PoS is the Orgeat. Its almond notes marry the astringent cloves and smokey liquor wonderfully-- and a healthy dose of citrus balances it all perfectly. Magic!