Twisted shoe laces that hold without tying or knotting are made from braided cotton and elastic fibres coated with polymer

摘要

Shoe laces (7), made from braided cotton and elastic fibres coated with polymer and having hard plastic end tags (2), comprise a series of elastic coils that hold them in place without tying or knotting, and no slipping through eyelets (8) or hooks. The laces can be tightened by pulling on their ends.