Maybe...?
Stir acid into syrup until dissolved. Add booze & ice. Stir, strain, rocks.
The Trader Joe's Hat Trick bitters were a 3-pack I found around X-mas 2016; rumor has it they were just a seasonal one-off. The "Spicy" flavor has strong coconutty-clove notes, and contribute greatly to the drink's profile. Sub the "cloviest" bitters you have if you can't find them.
- I dunno... — Bourbon, Fernet Branca, Pineapple syrup, Orange peel
- Flue-cured — Rye, Chambord, Spiced Rum, Fernet Branca, Elderflower liqueur, Bitters, Campari, Orange bitters
- Swagger Rite — Añejo rum, Amaro Meletti, Tuaca, Fernet Branca, Virgin Islands Rum, Root liqueur, Orange peel
- Dear Fernet — Overproof bourbon, Suze, Sweet vermouth, Fernet Branca, Orgeat
- Jackson's Night Cap — Rye, Herbal liqueur, Fernet Branca, Bitters, Lemon peel