Deal Ad [fbmta.com]
Offer valid for Sunday, June 21st 2020. Offer valid for ONE FREE Box Combo with the purchase of another Box Combo. This offer will be loaded onto your Caniac Club card. Offer will be removed if unused by close of business on Sunday, June 21st 2020. Limit one per customer. Not valid with any other offer. Must swipe Caniac Club card to redeem. © 2020 Raising Cane's Restaurants, LLC. All trademarks are owned by Raising Cane's USA, LLC.
If you don't have a card, just ask for one from the cashier for free. Make sure to get a card at least 2 days before to ensure enough time has passed in their systems.
Pro-tip: Remove one drink and it will bring the price down ~$1. You get to keep the 2nd drink!