Usage Activator as a surface area to gently strike the heavy end of Tuning Fork to "trigger" vibration. Rubber Activator is tapered to the base is broader for security. Triggering Tuning Forks on the body is not advised, as injury can take place. This Activator works well with all Tuning Forks, heavy, as well as unweighted.
October 18, 2016
February 27, 2014