Reused wool

Wool rags and manufactured waste, torn up and reprocessed into fibres again, and used for such fabrics as are composed of shoddy and mungo yarns.

Textile Resource (http://www.textile.org.uk)

These are cleaned and shredded into fibers again, and then blended to make utility fabrics. See also “shoddy“.

Textile Links (http://www.textilelinks.com)