Details: This products consists of two pliant silicon balls on Each individual side with the internal rim. The balls are strategically placed to apply pressure on limited neck muscles. All You will need to do is manually massage your neck although Keeping the ergonomically designed handles. The Theragun PRO is https://allhealthmarket.com/product/health-and-beauty-2/skin-care-health-and-beauty-2/anti-aging-products/facial-lifting-massager-led-photon-therapy-face-slimming-v-double-chin-belt-massager-cellulite-jaw-device/