Win a Shake Shack t-shirt autographed by Danny Meyer! Numero Uno hamburger blog A Hamburger Today is sponsoring a contest on this, the last day of Shake Shack 2006. Simply head over to the Shack today and order a burger. Present your receipt to AHT and the person with the latest time/date stamp on his or her receipt will get the signed t-shirt. Pretty cool! The Shake Shack closes at 7 PM, so plan accordingly.