Here is the fly pattern sheet for the Black Wing Baetis Cripple.
Daiichi 1100 #18 – 20
8/0 Uni-Thread Olive Dun
Zelon – mayfly brown
EP Trigger Point Fibers – BWO
For tying directions, here is a link to Craig Mathews tying the Black Wing Baetis Cripple. Blue Ribbon Flies in West Yellowstone, MT is one of my favorite fly shops!