If the flies with CDC wings are correctly tied they will catch one fish after another. If the CDC is not properly fixed the flies will catch fish only at the beginnig.

For example, the fly below has the CDC fixed in the classical way like (...)

Materials:

Hooks: Daiichi D1130 #18

Thread: Unithread 8/0 black

Body Thread: UniStrech black or bordeaux

Body: peacock quill

Wing: white CDC barbs

Legs: mad rabbit dubbing

  (...)

Hook: Daiichi D900 #12

Body Thread:Devaux cream

Thread: UniThread 8/0 black

Body: cream-yellow leather strips

Torax: CDC grey dubbing  and Mad Rabbit Dubbing

Lead: Black tungsten bead

(...)