San Francisco‘s 21st Amendment Brewery is starting the “Big Can Draft Series” as a part of its periodic release of small batch, draft-only brews. Kegs will be offered in half and sixth barrels starting this week with the first being the strongest beer in the lineup, the Lower DeBoom Barleywine. Lower DeBoom, 10.5% alcohol by volume, is an American-Style barleywine (a beer thats comparable to the strength of wine) that is full of citrusy Pacific Northwest hops, flavored with toffee malt, fruitcake, tropical fruit, toast, and piney hops. 563 2nd St., San Francisco, CA, 94107. 415-369-0900.