Being massaged with hot stones is out of this world,” Hot-stone therapy has become much more popular over the last few years, and it’s little wonder. In addition to placing warmed stones on or under the body, you can actually use them to massage the tissue. Smooth basalt river stones, when used with skill and proper technique, can open a muscle twice as fast as hands alone, and soothe a muscle that has been worked deeply, helping to eliminate soreness that can sometimes result from intense bodywork.