Overview Reviews Product Description Arm Splints and Supports - Pneumatic Armband for tennis elbow - black : Concentrates compression on the extensor muscle, not around the arm, providing more support, less constriction. One size fits all. Black. Product Videos Custom Field Product Reviews Write a Review Write a Review × CanDo Pneumatic Armband for tennis elbow - black Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *