Tying a Greenwells Cruncher Wet/Nymph Pattern with Davie McPhail

Materials Used;
Hook, Fulling Mill All-Purpose Medium size 12
Thread, Uni-8/0 Yellow
Tail, Furnace Cock Fibres
Rib, Small Gold Wire
Body and Thorax Cover, Bleach and Dyed Yellow Pheasant Tail Fibre
Thorax, Hare's Mask Dubbing which I have made myself..
Hackle, Furnace Hen