Le Pliage Collection Key Ring LichenEDITOR'S NOTE The Longchamp Le Pliage Collection Key Ring Lichen is a functional everyday accessory. Each year, Longchamp House renews its collection with new, chic and quirky models, to produce genuine jewelry accessories in leather or metal. This single hook key rings spotlights a cowhide leather compass, inspired by the adventure and discovery of our Parisian girl.