Free Double Steakburger at Steak ‘n Shake on May 28

In-store/Events
May 27 4:08 am

https://x.com/SteaknShake/status/2058742180374511981 -wear or show any American Flag item (hat, shirt, pin, etc.) to get a Free Double Steakburger at Steak ‘n Shake on May 28. –locator