Used to strengthen neck muscles with four attachment points that allow forward and lateral flexion, extension and rotation to increase range of motion.
Head harness, a 2-ft (60 cm) section of modular rubber tubing with 1.5 - 4.5 lbs (0.68 - 2.0 kg) of pull, and door mount. Note: Headset should fit snugly around head. Choose smaller size if in-between sizes. Interchangeable
