|Old hook-side stitched to the outer edges of a quilt.|
Velcro was invented in 1941 by George de Mestal, a Swiss engineer whose patent expired in 1978. With the patent's expiration the precise formulation of the previously known 'Velcro' could no longer be confirmed. Velcro of varying qualities and durability started to proliferate. Research by Kim Leath and Mary Brooks found that in 1998, two companies held the Velcro trademark despite producing notably different products.
An alternative hanging system is the Mag-Slat from SmallCorp, Inc. A sleeve made of twill tape or Tyvek is made by machine-stitch to receive the steel powder-coated strip. To read more read this link.
Of course, more about the use of magnets can be found in Magnetic Mounting Systems for Museums and Cultural Institutions, 2019. Get your copy now!
Joy Gardiner and Joseph Webber. " Failure to Bind: A Re-examination of the Aging of Hook and Loop Fasteners." Textile Specialty Group Postprints. Vol. 20, 2010. pp. 155-120.
Kim Leath and Mary Brooks. "Velcro TM and Other Hook and Loop Fasteners: A Preliminary Study of their Stability and Ageing [sic] Characteristics." Textile Conservation Newsletter. Spring 1998 . pp. 5-11.