The Ceramic Wonder Spine Fork Tool is a hand-crafted massage tool made from natural and environmentally safe clay and glaze. This tool is ideal for working along the erector spinae ( extensor spinae)muscles. The design of the Spine fork allows the user to work on very specific areas along the spinal column. The tool can also be very useful when working on the entire back by gripping the tool on both ends and using the center or entire body of the tool to perform a variety of strokes. Lightweight and durable, this can be used heated or chilled.