This Meridian Stick features grooves to protect the spine, and the particles that simulate acupressure massage.,  It is arranged to matchaccording to acupuncture points  of the human body for stimulation. It helps stimulate points, promoteimprove blood circulation, and boost immunity, and alleviateing chronic conditions such aslike cervical spondylosis, shoulder periarthritis, and hypertension. The material is sSafe  and suitable for both adults and children., but should be avoided by p Pregnant women and those who are recovering from surgery should avoid use with unhealed surgical wounds.