Free Burger at Shake Shack Locations Worldwide!
The first 100 guests at Shake Shack locations worldwide will receive a free single ShackBurger (or a burger of equal or lesser value, before 12PM). All US Shacks will begin welcoming guests at 10:30AM on Tuesday, August 16th. Excludes stadiums and ballparks.
To get the freebie please click on this link: