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
GURPS Time Travel into a cohesive whole, resulting in the most comprehensive take on time travel to date. Though intended for the "GURPS" system, the material is generic enough for any system, presuming the referee does his homework. Bursting with baffling jargon and giddy analyses of nonsensical concepts, "GURPS Time Travel" is exactly the type of book that makes civilians think role-players are out of their minds. Consider that a recommendation." GURPS Time Travel GURPS Time Travel is a sourcebook for "GURPS". It was published in 1991. "GURPS Time Travel" presents a menu of options that allows referees to create customized systems appropriate