Comment on this pattern

Iron blue dun

 
tied by cicvara
Fly Type: Wet,
Target Species: Trout,
Recommended Region: General Europe,
Imitation: Mayflies,
Material List: -hook:14
-tail:hen
-abdomen:barb goose(twisted)
-Hackle:hen
-torax:muskrat
Tying Instructions: -
Presentation Tips: wet fly