June 20th is National Milkshake Day, and as part of the celebration, Wayback Burgers is giving away a FREE 12 oz. Vanilla Milkshake at participating stores. No need to buy anything to enjoy this offer. It’s only valid on 6/20/24 and limited to one per person.
FREE Vanilla Milkshake at Wayback Burgers on June 20th
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