A B.C. Stimi variation, inspired by trout rising to feathers leaking from an old goose down vest.

hook - TMC 5212 #8
thread - Danville 6/0 black
tail - grizzly
rib - x-small wire silver
tag - tinsel silver
body - dubbing insect green
body hackle - grizzly (undersize by 2)
wing - mallard flank
hackle - grizzly

Part 1

mash barb, start thread at 2/3 mark, tie in rib, wrap to bend

strip some hackle fibers, even, tips, measure (gap width past bend), tie in/trim

dub thread/dub tapered body to 2/3 mark

tie in hackle, palmer to bend

capture hackle tip with rib, continue thru body; helicopter end, cover with thread