Made of black onyx, this stone massager, measuring between 3" to 4" in length, is a great aid in helping to release tension and stress from a long day. Use it to roll along the skin or use the rounded end on one end to help work out those particularly tough knots. Black onyx is also a powerful tool in helping to balance and ground energy, helping those it is used upon find their center and otherwise get on track, making it a useful tool within crystal healing and your ritual practices. (GMBO3)