About: http://webisa.webdatacommons.org/233340904

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The invention relates to a shoe construction and method and more particularly to structure and method accommodating selective adjustment of the traction provided by the shoe construction upon a supporting surface.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com