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How to Tie a BWO Improved Sparkle Dun

January 24, 2018 By: Marshall Cutchin

Producer: Tim Flagler

Here, author, fly tier and blogger Matt Grobert is going to tie an Improved Blue Winged Olive Sparkle Dun, originally developed by Craig Matthews of Blue Ribbon Flies in West Yellowstone, Montana.  For a hook, Matt uses a Dai-Riki #125 in size 18.