Un petit col amovible qui se porte et s’enfile comme un collier. Il fait partie d’une collection de 5 modèles d’accessoires.

“Col claudine” is the French name for Peter pan collar. This add-on collar can be worn and taken on and oof just like a necklace.
It is available as part of a collection of 5 patterns.
For pattern in English, chek here