[Expired] Wayback Burgers: Free 12oz. Black & White Milkshake

The Offer

Direct link to offer

• Wayback burgers is offering a free 12oz. Black & White Milkshake for today

The Fine Print

• Limit one per person.
• Valid on 6/21/18.
• May not be combined with any other offers.
• In-store only.
• Participating locations only.
• No purchase necessary.

Our Verdict

List of locations can be found here.