A frame for drying wool. This is a open frame that rests on two supports with a handle on one side. You wind the damp yarn under even tension across the frame — not trying to line anything up. Rather like winding a bobbin for weaving. After the yarn dries, you can usually slide the whole skein off of one end. Edward Worst’s book “How to Weave Linens” has directions for making a blocker. Sadly, this book is out of print
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