Krystal Burgers is offering a Free Krystal or Chick Sandwich good until February 28th. To get your Free Krystal or Chick Sandwich, then head over to Krystal Burgers Facebook and click on the “Be My Krystal Valentine”. You will be able to print the coupon for your free Krystal or Chick Sandwich. There is nothing better than free. Krystal Burgers are delicious. Head over and get your printable coupon for a free burger or chick sandwich today.