Fishing Dry Fly on a Chalk Stream / Mayfly Time on a Chalk Stream - Run Time 2 hoursFishing Dry Fly on a Chalk Stream (Programme 1) Learn Dry Fly Fishing with Oliver Edwards My mainstay dun imitating dry fly patterns are the Paradun and my Footprint Dun. They're both prototypical patterns, so you can match any of the Olives or Spurwings, simply by changing colours and hook sizes. Both these patterns beat the old slip winged flies hands down. For a start, the Paradun is simple to tie, there's no messing about with fragile starling