We would all like a flying carpet, however what we wish for and what we get are two different things. Using a rug underly or anti-slip helps keep your rug firmly in place on the floor reducing the risk of slipping. Underlays can also provide some insulation keeping the room that little bit warmer. The STOPP anti-slip underlay can be used with all types of flooring even those with underfloor heating.
So until someone invents a real flying carpet, here's a simple solution to those annoying ones.