Gua sha Gua sha (刮痧; guāshā) is abrading the pores and skin with pieces of easy jade, bone, animal tusks or horns or clean stones; until finally purple places then bruising deal with the area to which it is done. in great light, if possible daylight, because you can https://fernandocq6c0.wikifrontier.com/7329878/the_definitive_guide_to_chinese_medicine_body_clock