SONIC Drive-In is shaking things up again!
For a limited time, the fast-food chain is giving customers a FREE small classic shake with the purchase of a single-patty SONIC cheeseburger or Footlong Quarter Pound Coney at participating locations.
Its classic shakes are hand-mixed with real ice cream — available in fresh banana, caramel, chocolate, strawberry, vanilla, hot fudge and peanut butter.
How many days until Memorial Day for the start of its annual half-price shakes special?
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