KINDRED, N.D.-Chris Armbrust and her Dakota Fiber Mill in Kindred have been turning all kinds of wool into yarn since 2010, but this winter the shop added a felting machine that has opened up an ...

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THE theory of felting of wool in fabric form developed by Speakman and his collaborators 1 postulates that under the repeated application of pressure the unidirectional migration of wool, due to its ...