Summer, with its boozy beach bars and beer-in-hand barbecues, is by all accounts the reigning champion of drinking season. Yet while autumn lacks temperature, sunlight and, well, much of the lazy enjoyment, it’s the number one contender because of a big reason: It's flask season. From peak foliage day hikes to parking lot tailgates, nothing complements autumn quite like a slug from a hip flask. Thing is, most end up pouring some whiskey in their tin and calling it a day. Do one better — with a readymade cocktail. Bartender Eden Laurin, who slings some of Chicago’s finest craft cocktails at The Violet Hour, offered us these five flask-specific cocktail recipes.