Black Congo
Hook - Mustad S80-3906, S82-3906B or equivalent, size 10-12
Thread - Black
Tail - Brown hackle fibers
Butt - Peacock herl
Ribbing - Fine oval gold tinsel or wire
Body - Black floss or thread
Shoulder - Peacock herl
Reinforce the peacock herl by wrapping it around the tying thread.
Add a dab of crazy glue to the hook shank before wrapping the herl for added durability.
Perrault's Standard Dictionary of Fishing Flies