Versatile and effective. Ideal for clinic or home use. Unique ergonomic design. The Knobble 2 is the new design of the all wood favorite. Trigger Point and Pressure Point: Hold the base comfortably in the palm or your hand. The smoothly rounded tip is used with a variety of grips to apply pressure to trigger points in soft tissue. Lie on it or place it behind you in a chair to do your back, glutes, hamstings and other hard-to-reach areas.The soft band of non-latex around the base allows for friction techniques. Provides for sustained soft tissue compression of trigger points while protecting against fatigue and overuse injury. Made of durable polymer with a band of non-latex, Santopren.