FREE Vanilla Milkshake at Wayback Burgers on June 20th
National Milkshake Day falls on June 20th, and to mark the occasion, Wayback Burgers is commemorating with a Free 12 oz. Vanilla Milkshake at select locations. This special treat does not necessitate any purchase. The promotion is exclusively available on June 20th, 2024, and is restricted to one per individual.