Free milkshakes at Wayback Burger
Summer officially kicks off this weekend, and Wayback Burgers is giving guests a sweet way to celebrate. On Saturday, June 20, the burger brand is bringing back its popular Free Shake Day, offering guests a free 12 oz. vanilla milkshake at participating locations nationwide – no purchase necessary.
The celebration doesn't stop there. Beginning Friday, June 26, Wayback Rewards members can enjoy Half Off Shake Fridays every week through July 31, making it even easier to cool off with one of Wayback Burgers' signature hand-dipped shakes all summer long.