The dished version has a smooth flow feel. The transition from the ball to the dish is seamless. Balls in these coins roll effortlessly between your fingers as you massage away stress and pain. Coins come stock with high quality stainless steel balls that will not rust or discolor. The user can replace these with any combination. We even include the tooling to do this. Check out our ball options here.
Brass on one side and copper on the other.