Change colors/size to suit your needs.
hook - Dai Riki 280 #14
thread - Danville 6/0 black
tail - dun hen
abdomen/rib - silver wire small
thorax - grey dubbing
hackle - dun hen
collar - black hen
Part 1
mash barb, start thread; tie in wire and wrap back to point above barb
measure (gap width past bend) some hackle fibers; tie in/trim
wrap wire forward to 50%
tie in hackle at 75% mark
move thread back to mid-shank, dub thorax
palmer hackle back to mid-shank, capture tip with wire and take a few wraps through the thorax; helicopter end/cover with thread