Self-tying shoes Self-tying shoes Self-tying shoes (also known as "self-lacing" or "power laces") are designed to automatically tighten once the user puts them on. Such shoes were initially depicted in the 1989 science fiction film "Back to the Future II". In April 2009, Nike filed a patent for self-lacing shoes, with a design that bears a resemblance to those worn by Marty in the film "Back to the Future II", raising speculation among fans about a possible debut of self-lacing shoes. In 2014, Tinker Hatfield, the designer of the original Nike shoes as depicted in "Back to the Future II", indicated that
Silver Shoes they shock and burn her hands and she cries out in pain. In "The Wiz", the shoes are silver high heels. This movie gives further insight into the shoe's magical protection. When Evillene (the witch of the west) tries to obtain them magically, her fingers are bent painfully backwards. In the anime movie, the shoes are once again transformed into the ruby slippers, though they are never referred to by that name. They are heeled shoes with pointed, slightly curled toes, similar to their appearance in Denslow's illustrations. Unlike the book, the shoes are still on Dorothy's feet when she