Tying a black CDC Octopus nymphs 

CDC Octopus nymphs are perfect for fishing for educated fish. These flies are working great in all kind of currents ( strong or slow running) due to their CDC hackle. We recommend these type of flies for picky fish
Materials:
-Any fly hook you like jig or classic ones
-Body made of thread in your favourite colors
-Hot spots can be used or not, depending of your local fishing conditions
-Ribbing in silver or uv synthetic fibers - both types work excellent
T-horax: dubbing - any type you prefer
-CDC: one or two turns of CDC with long barbs but not very fluffy ones.