Jimmy witnesses a unique surgical technique using cod skin. Subscribe for more #FoodUnwrapped ➡️ http://bit.ly/FoodUnwrapped Our team of intrepid presenters (Jimmy Doherty, Kate Quilton, Matt Tebbut, Helen Lawal, Andi Oliver, Amanda Byram and Briony May Williams) travel the world uncovering unusual, intriguing and surprising secrets behind the food we eat. Watch full episodes on All4 👉http://bit.ly/FoodUnwrappedAll4 FACEBOOK 👉http://bit.ly/FoodUnwrappedFB TWITTER 👉http://bit.ly/FoodUnwrappedTW