Wet Felted Wool Balls Two Ways- Essential Oil Diffuser and Earrings. Learn the basics of wet felting using water, soap, and pressure while we make felted wool balls. Each participant will create an essential oil diffuser and a pair of earrings. No experience is needed. All materials are provided for this workshop and is taught by local artist, Tiffany Knopow. Limited to 6 participants. Cost: $30