With apologies for the mixup, last month we reported that Sam L would be teaching a class on felting. In fact, there was a miscommunication and it turned out to be a class on tabletop dyeing with animal fibers.
This lesson applies to animal fibers (aka protein fibers), including wool, alpaca, and silk. Basically, if it came off an animal, as well as the nylon in some sock yarns, you can dye it with acid dyes. Acid dye means simply a mild acid, such as 5% white vinegar or citric acid. For Kool-Aid dyeing, which Sam demonstrated, the citric acid in the mix is all you need.
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