1 1/2 ounce mezcal
1/2 ounce Campari
3/4 ounce cinnamon simple syrup (add 6 cinnamon sticks as you make 1 cup simple syrup, let infuse for a couple hours to couple days)
3/4 ounce lime juice
4 ounces pale ale or bitter-ish IPA, or maybe 2oz sparkling water