Today, Shake Shake will be hosting a costume contest at each of their locations. There will be 2 winners at each location who will receive a $50 Shake Shack Gift Card prize (one going to a child and another to one).
Shake Shack will also be offering a special beer float, The Headless Horseman (Pumpkin Ale served with a scoop of vanilla custard) for $7.25 through Sunday the 31st.
To find SS locations go to their site.