Dr. Palmer taught to correct the atlas position using the hands with about 40 pounds of force. Dr. Sweat and Dr. John F. Grostic were taught by Dr. Palmer. In his extensive clinical research, Dr. Grostic found that much less force was actually necessary to correct the atlas into position. Dr. Sweat in his further research discovered that even less force was actually needed. Dr. Sweat invented and engineered a highly advanced instrument that without pain or pressure is able [...]