A specially designed ball to reach the deepest muscle tissues for relieving stress & tension caused by pressure points (also known as trigger points). Pressure points are knots in the muscle fibers that feel like small peas buried deep in themuscles, causing pain, tightness & weakness at the source of the knot. Use Casall pressure point ball to apply gradual pressure on the knotted muscle fiber to stretch, improve circulation & alleviate pain on the contracted muscletissue. It is the perfect product for warm-up & post workout recovery.