The Snore Free?is a small plastic ring with two rare earth magnets, developed by an ex-NASA scientist and patented in the USA. The ring is attached to the nose and is quite comfortable. The Snore Free?then magnetically stimulates the sensory nerves of the nose, which opens the nasal passage thus preventing snoring.Important: Please note that magnets can affect electrical and other magnetic devices. For this reason do not use magnets if you wear a pacemaker, hearing implant or any other implanted electrical device. Magnets can also affect credit cards, audio or videocassettes, computer discs etc. Please note: if you feel unwell we strongly recommend you visit your doctor. If you are unsure about using magnetic products, please check with your doctor first.