| http://www.w3.org/ns/prov#value | - Description of Background and Relevant Information [0004] Footwear articles of the aforementioned type, such as the boots described in the patents DE 18 93 010, IT 19700/83, FR 1 568 397, and EP 629 793 have lace-tightening devices that close either in a conventional manner by a knot, or by means of a locking mechanism or a tensioning lever.
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