Free-Motion Elbow Support from DentalEZ Imagine working with complete freedom of motion but without exertion in your neck, back and shoulder muscles. Highly supportive, the Free Motion Elbow Supports from DentalEZ were designed specifically for dental professionals. The DentalEZ Free-Motion Elbow Support attaches to any stool cylinder and supports the elbow of the dental professional without limiting movement or interfering with the procedure. Designed to reduce muscular tension and fatigue, the Free Motion Dual Elbow Support System features free moving,height-adjustable elbow supports that follow your every move without restriction, yet provides total support and stability for your arms and shoulders. High-strength design with solid steel components Clamps onto the riser of any dental stool in minutes with wrench provided Tension adjustment knobs allow elbow rests to swing horizontally with resistance adjustable from zero to fully fixed Telescoping elbow height adjustment locks in place quickly and securely with simple thumb lever