In this fly tying video, Walter Wiese for Park’s Fly Shop ties a Micro Chaos Hopper. The Micro Chaos or Bob Hopper was Parks’ Fly Shop’s most effective hopper pattern in the Yellowstone area during the 2012 season. It is substantially smaller than most hopper patterns (#14, less than an inch long) but is easy to see, durable, and floats well. The pink color presented here is the most popular color variation, but try it in other colors as well.