… Those who may not want to be evaluated for the edification of the group may make arrangements for a private reflex analysis at the end of the meetup, time permitting. *Gua Sha in the family. Gua Sha has been used successfully for centuries in the family to fight the common cold, flu, and muscular aches and pains, just to name a few applications. It uses simple tools that are easily acquired, and it is easy to learn- although it may take a lifetime to master! ( You don't have to be a master t …