I discovered this pattern just recently in an excellent video by Davie McPhail. You tube video by Davie McPhail I liked it instantly.  It ticks a lot of boxes for me. It is light and springy. It could be one of several things: A cranefly, a small hopper, a half hatched cripple, a hatching midge, and just about anything else your imagination can muster. Exactly what you want in a searching pattern. The  one in the video is on a #12. That is rather big for me, unless it is the hopper you have chosen from the list above, so