Making dubbing 101 a step-by-step by Doug Korn.
Making dubbing from yarn is easy using a coffee grinder. Buy one just for making dubbing, they are cheap, about $15. Experiment with different yarns yourself to find the right color, texture and float-ability desired for your fly tying needs. Today's goal is to make an orange sulphur dubbing for dry flies. Materials needed. All you really need is a coffee grinder and some yarn... I use a 12 inch board to measure my "parts". I cut one part of orange yarn and ten parts yellow. Then, cut the 11 pieces of yarn in 3/4 inch lengths or "bundles". Keep the 3/4 inch bundles nicely lined up so that they can be added to the coffee grinder in the proper 1 to 10 ratio. You will end up with about 15-16 bundles. Add 3-4 bundles at one time to the grinder. Turn it on and run it for about 20 seconds. Grinding times will vary depending on your wool and the volume of yarn in the grinder.
