Here is the fly pattern sheet for the Deschutes Demon.
Hot orange saddle fibers
Medium embossed gold tinsel
Antique gold wool
Hot orange saddle
Brown deer body fur with white bucktail over
The fly above was tied on a TMC 7999 #6 hook and an oval embossed tinsel.
Be sure to check out the Deschutes Demon Throw Back Thursday Fly post for the history of the fly.