Thank you for viewing. Material: Natural Rose Quartz Size (approx.): Length 10 x Width 2 cm Recently, sternocleidomastoid muscle massage has become even more popular on Instagram and other platforms. It is said that massaging the sternocleidomastoid muscle in the neck can make your face smaller and eliminate blemishes and wrinkles. This is a rose quartz massage stick that is easy to use for pressing the neck.