Overview Reviews Product Description The Knobbed Ball Long is designed for reflex zone massage at home or during therapy. Use it to help improve blood circulation throughout the body. Comes purple in color and measures 2.75" by 1.6". Product Videos Custom Field Product Reviews Write a Review Write a Review × TOGU Knobbed Ball Long - 2.75" x 1.6" - Purple Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *