UV2 Coq de Leon Perdigon Fire Tail Feathers – Dyed CDL feathers dyed bright colors and treated with the UV2 process. Add hot spots to the tails of your Perdigon patterns and other Euro patterns.These are Hareline Dubbins UV2 Coq De Leon Perdigon Fire Tail Feathers: These are real Coq de Leon feathers imported from the Leon region of Spain. These are over dyed with Uv colors. Creates a Uv enhanced CDL feather. Used to make perdigon nymphs or Czech jig nymphs.