Gua sha Gua sha (刮痧; guāshā) is abrading the skin with pieces of easy jade, bone, animal tusks or horns or easy stones; right up until purple spots then bruising deal with the area to which it is done. Of course, there hasn’t been loads of research on this https://francisco0q73p.blog2news.com/24062654/chinese-medicine-body-clock-no-further-a-mystery