The average head weighs 10 to 12 lbs so its not surprising so many of us have neck problems our spinal discs become weaker as we age and can start to bulge under the constant pressure from our skull the professional choice and certified as a class i medical device this inflatable cushion provides the traction needed to stretch and relax your neck and shoulder muscles decompressing spinal discs to help reduce headaches neckback pain and aching shoulders simply inflate with the hand pump