Meet the only neck training system with 4-in-1 benefits for recovery, prevention, posture, and mobility. Treat the root cause of neck pain, muscle imbalances & mobility deficits with a solution that improves both range of motion and neck strength, and not one at the cost of the other. Iron Neck 3.0 Pro features a dynamic tension brake system* that’s unmatched in applying resistance to head rotation. Through Iron Neck’s unique 360 degree isometric training, you can improve blood flow to every muscle in your neck, especially the small, hard to reach muscles that often cause pain and instability issues. With AirFit™ Technology, reducing pain and improving posture is done so comfortably, with a custom fit every time, regardless of head size.