Glenn Halvorsen, a licensed massage therapist with over 30 years of professional experience, invented Neck King® and The Back King®. Glenn has also been a personal fitness trainer since 1981.
Over the years, he worked trigger points and deep tissue massage on his clients to release their tension, with excellent results. He thought of creating a family of devices that would replicate what he was doing with his fingertips to help people with their most common problems.
More at superfittherapy.com.