Using the circular arc of the rolling pin can achieve the effect of eliminating dampness and detoxifying, and the effect is better.

A rolling pin is used to massage meridians. It can stimulate the bladder meridian through the ribs in the back. The bladder meridian is the two largest channels for female excretion and detoxification, so it can achieve the effect of eliminating dampness and detoxification. Stimulating the bladder meridian with a rolling pin can also reduce weight and make the back thinner. Rolling tendons on the back with a rolling pin is a very good way to dredge meridians.