From August 15 to 17, Potato Corner guests will get free Large fries for every purchase of Mega, Giga, or Tera fries in any flavor. Customers may avail of the free Large fries in any flavor except for Truffle, Tteokbokki, and Golden Sweet Corn. Loyal patrons are in for a treat as they enjoy tubs of hot, tasty, and freshly-cooked fries.