A lace-up device for tightening an article of footwear, providing for the tieing of the lacing without causing discomfort to the user's hands, as well as to the article of footwear equipped with such device. The lace-up device includes a gripping mechanism arranged on the linkage in the area of a loop...http://www.google.co.uk/patents/US7409781?utm_source=gb-gplus-sharePatent US7409781 - Article of footwear with linkage-tightening device
