The B&S Nymph is a great all around search pattern that has done well in my box for 2-3 years now. The movement of the Brahma Wing-Case is what I believe makes this pattern. I prefer to fish this pattern alone, with additional weight below and indicator.
B&S Recipe
Hook: #16-12 Standard Nymph
Thread: Black 8/0
Tail: Natural Pheasant Tail
Body: Natural Grey Squirrel
Rib: Fine Gold Wire
Wing-Case: Natural Brahma Hen
For a full tying video, click on the link below:
http://ralphsflybox.blogspot.com/2016/01/tying-brahma-and-squirrel-nymph.html