1 oz of Gin
1/2 oz of Mezcal (or Tequila)
1/2 oz of Maraschino liqueur (or cherry liqueur)
1/2 oz of grapefruit juice
1/2 oz of Lime Juice
1/2 oz of cinnamon syrup
Shake, strain over one big rock, garnish with five Maraschino cherries on a skewer and, optionally, a placeholder engagement ring.