The Tung is a cased caddis larva pattern which has the concentrated density to quickly reach the stream bottom where it can be mopped up by the trout and grayling with gusto.
Tung
Hook: #12 2XL medium wire hook
Bead: Tungsten 3.8mm, black
Thread: Benecchi 12/0, black
Head: Glo-bug yarn, pale yellow or cream - singed
Legs: Ringneck pheasant neck feather - single turn
Case: Cactus chenille, brown
Video here - please view in HD, if able:
http://www.youtube.com/watch?v=wtVk7WUw9Oo
Cheers,
Hans W