Wim Hof, an athlete from Holland, also known as the "Iceman", holds several Guinness records and is famous for developing the method that bears his name: a combination of exposure to extreme cold with breathing and meditation techniques. Hof himself claims to have "invented nothing". However, the system he offers is patented and has led him to have millions of followers and hundreds of certified disciples who teach the method around the world. Is it a combination of techniques that could indeed improve our quality of life?