WHAT DOES MASSAGE NECK AND SHOULDER MEAN?

https://www.saleshubs.com.ng/product/electric-neck-massager-u-shaped-pillow-multifunctional-shoulder-massager/This cordless back massager delivers a deep shiatsu massage. It's got a chargeable battery and is compact and light-weight.The muscle mass binds the skull for the sternum and clavicle, with its anchoring place in front of the human body and