Align-Right sleeping pillow X-ray
X-rays show the cylinder (round) Align-Right Pillow fits and supports the natural neck curve. Vertebrae neck curve are in alignment with open spaces, there is no nerve compression to cause pain.
Regular bed pillow X-ray
Regular bed pillows can take the neck curve out of alignment, vertebrae spaces may close to have nerve compression pain.
Five (5) sizes custom fit body structure and dominant sleeping position.