hook: size 10-12 Tiemco 3769 or other 2x heavy nymph hook
thread: 6/0 UNI, black
body: tinsel chenille, purple
rib: Ultra Wire black, medium
Place hook in vise, and wrap thread along the shank to the hook bend. Tie in a 2" piece of wire. Tie in a 2" strand of tinsel chenille. Wrap thread forward to behind hook eye. Wrap the chenille forward to behind hook eye, creating a tapered body. Wrap wire forward, in the opposite direction of the chenille. Tie off and trim, whip finish and epoxy the thread.
Another one of those WTF a purple fly? carp patterns. Maybe in some far off land it looks like a mullberry and the carp will take it. Only one way to find out...