preventive conservation ICOM warp ballet leather lace Cotton refugees mannequins Royal Collections disaster planning Useful addresses Knitting Donkey Man Rosenborg Castle Comparative items shoes reconstruction interview WildWorks Blogs storage cross reference Museo Histórico Nacional accession number 19th century collecting policy identifying stitches Stories folk culture stitches embroidery stitches Olympic Games poison outloans exhibition gown St Gall wedding dress Theater costume Munich Hemp Resource chain stitch guidelines media uniform ribbon hair machinery Wool symbolism photographs stitch contamination shuttle stripes Raymonda Hmong China