On tap at Abominable Snowfest (aged two years in French oak barrels), heavily acidic sour ale ain’t for the faint of heart but will delight all brettanomyces punks. Oaken cherry tartness heightens vinous yellow grape tannins, sharp lemon-juiced Italian vinaigrette pungency and sour red raspberry pucker over leathery horse-blanketed acridity.