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A real departure for me. I made my (almost) 4 year old niece a little bag and wristlets out of felted wool sweater today. My son is modeling the wristlets for me and he thinks they're way cool. Of course, this will be blackmail when he's older. The wristlets are the very ends of the sweater sleeves. I just cut them to length, gave them a thumbhole, and finished them with blanket stitching and some vintage buttons.
EASY felted wool wrist warmers for kids