In April this year, a man by the name of Kenneth Einars posted these pictures on Facebook: Interesting aren’t they!  And beautifully tied too. These immediately sparked my interest, because I had recently read Peter Hayes’ excellent book “Fly Fishing outside the box”, where, in chapter 3 he makes a rock solid argument for having your adult dun imitation  facing upstream if there happens to be a downstream wind. Hayes is a deep thinker, and a great writer, and throws old ideas wide open for re-consideration. That’s what he has done with the idea of having your adult mayfly imitation