On Thursday, August 23, in honor of #DCBeerWeek, Sauf Haus DC will give a *free* tasting flight to anyone who posts a bier photo to Instagram, tagging @SaufHausDC and #BeerWeekDC. Must follow @SaufHausDC on Instagram to be eligible. Bartender on duty will verify via Instagram app on your mobile phone. Must be able to show proof of posting at time of redemption. Ends at 12:00a on Friday, August 24.