Tying a Double Winged Olive Dun Dry Fly with Davie McPhail 

Materials Used;
Hook, Fulling Mill Ultimate Dry Black Nickel size 14
Thread, Olive Dun Uni-8/0
Tail, Whiting Coq De Leon Fiery Ginger Fibres or Cock Hackle Fibres
Rib, Uni-Mylar Clear Stretch to Reduce Width
Wing, Ultra Dry Yarn Brown Dun or Similar and Two Natural CDC Feathers
Thorax, Same Dubbing as the Body