Pick Six #1
Stir with ice. Dirty dump it into a tumbler.
First success exploring:
• Split between two spirits
• Split between two liqueurs
• Split between two wine/vermouths
- Struttin' with Some BBQ — Bourbon, Mezcal, Amontillado Sherry, Amaro Nonino, Grade B maple syrup
- Slow Burn — Sweet vermouth, Mezcal, Tequila, Luxardo Bitter, Aperol, Kirschwasser, Salt, Lemon peel
- The Remedy — Rum, Japanese Whisky, Chinato, Suze, Bitters, Simple syrup
- The Dry Season — Mezcal, Tequila, Aromatized wine, Aperol
- Oaxacan Cocktail — Mezcal, Campari, Sweet vermouth, Lemon peel
 
  
Curated to update earliest known date for this cocktail as 2019 per https://mixedinla.com/2019/02/23/base-camp/ The recipe was published in Imbibe magazine in Nov. 2020.
I agree with the note about building this in the glass being an unnecessary pain unless one is trying to make a show of it. There are some bitters-dripped-on-sugar-cube (followed by muddling the sugar cube) Old Fashioned riffs and recipes that make sense for this, but I would rather pour this one over a cube, then garnish.