hook - Mustad 9671 #10
thread - Danville 6/0 black
tail - Indian hen back fibers
abdomen - Uni-stretch orange (looks like the original used floss; none to be had in a town with 3 flyshops)
rib - Uni-stretch orange (doubled/twisted)
thorax - peacock herl
hackle - Indian hen back
Part 1
mash barb, start thread; wrap to point above barb
strip some hen back fibers, measure (gap width past bend); tie in
double up a length of Uni-stretch, wrap to tail and back