This article is a stub and would benefit greatly with more information. You can help by expanding it.
Winkles are a type of food that dragons like to eat. Nobody knows why, but they like them. In the books, Toothless is especially fond of winkles. In How to Break a Dragon's Heart, after beign captured by UG the Uglithug, Camicazi left a trail of Winkles in the woods of Berserk. Hiccup followed this trail to Camicazi's tree cell.