A sweet summer surprise is coming to burger fans nationwide
AI Summary
Burger enthusiasts nationwide are in for a treat as Wayback Burgers rolls out its annual free shake day on June 20, giving everyone a free vanilla milkshake without any purchase needed. This summer promotion continues with weekly half-off shake deals for rewards members until July 31. This offer not only sweetens the summer for burger lovers but also highlights the chain's effort to keep its customer base engaged with frequent promotions and rewards.
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