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
Automatic self-clean toilet seat Automatic self-clean toilet seat An automatic self-clean toilet seat is designed to be cleaned, disinfected and dried after each use. Such toilet seats are starting to become common at various public toilets in the USA and Europe. The Paradise Cleanseat Power by CWS can be installed on standard toilets with access to power supply and water connection. The cleaning process is executed repeatedly after each use by a sensor or automatically (triggered by flush). The hygiene lock extends out and positions itself on the seat, sprays fresh tap water and the CWS cleaning liquid onto the surface of the toilet