To address spinal joint dysfunction, we use an instrument called the Activator. How does the Activator Adjusting Instrument work? Dan Grayson – have received extensive training in the Activator Technique. This method is one of the most significantly researched techniques in chiropractic. It has been safely used for over 35 years to benefit people with a wide range of health problems - without drugs or surgery! At Grayson Chiropractic Associates, we use one of the most popular “low force” chiropractic techniques in the world.Īctivator Methods Technique® is a gentle, low-force program of Chiropractic Care.