No.4, No.23, No.2 Hui 'an Road, Liangxi District, Wuxi City, Jiangsu Province, 63 days ago, I was able to knock on my back in the second phase. Relevant information shows that the address is called Shuiyunxuan Foot Bath, and its business scope includes knocking on the back. Knocking on the back is rubbing the back. The part above the abdomen that is symmetrical to the chest is the back.