A hugely sucessful fly when trout are feeding on or near the surface it was originally tied to represent the large buzzer pupae on Loch Leven, however this fly catches fish everywhere, a team of three shouls be fished on a slow sinking intermediate with a slow figure of eight retreive with the occasional long pull, or as the top dropper fly with two nymphs/buzzers below, alternatively as part of a washing line, but be careful takes are savage