Semperfli's Gamechanger Chenille Packs are a distinct style of highly articulated streamer patterns designed and popularized by Blane Chocklett, one of the fly fishing industry's most forward-thinking and innovative fly designers. Semperfli designed a set of chenilles perfect for tying these articulated wonders. Gamechanger Chenille Packs are set of 30mm, 20mm, 10mm and 8mm chenilles with a holographic pearl flash running through, perfect for making your own Gamechanger flies. Use the different sized chenilles to create the taper.