This is one for the Czech nymps: long strands with lots of shine to it makes this a good dubbing for both small and large nymphs. I don’t keep too many Czech nymphs with me, but I always have them ready, both for fresh and saltwater fishing. My personal best for browntrout: 1.25kg, was on a Czech nymph in purple and red.
The long fibers will give a lot of movement to the nymph:
Applied to a UNI 6/0 thread and a TMC 2457 #8 hook
Two colors applied to the hook
Drag the fibers out with a toothbrush gives you long legs:
Since the fibers are so long you can also use it to form a tail, here on a Mustad 94840 #12:
Layer two different colors to form the tail: