Shackshack 工作日（周一~周五）下午2-5点买柠檬汁就送薯条啦！
HOW TO:
1. Add *any* lemonade and regular fries to your bag
2. Make sure your order is scheduled for a weekday (M-F) 2-5PM at your local Shack
3. Enter code FRYTIME at checkout
4. Pick-up your lemonade + FREE fries!