There are so many flies out there, that everything one invents has invariably been done before. There was this one inspired by a friend of Fran Better’s Dad….one Eddie Lawrence of the Green Drake Club, who gave it to him, and which he passed on to Fran who refined it and named it as the “Haystack”.  (Info from HERE) . Then it was sort of copied  in Al Caucci’s  Compara Dun, and Bob Wyatt used a similar concept when he did his DHE (Deer Hair Emerger).   I like and use the DHE. (also called the Berg Emerger as created