Aulterra Energy Pillow™ Neutralizes the negative Effects of Toxins on Your Body.Powder works from inside out, pillow works from outside in and helps balance who you are from the outside in.
 
It covers about 6 feet in directions of EMF Protection. Best place is under a fitted sheet on your left side. Remove when needed for pain and place directly on the spot. 
 
Immediately once put on body, migraine would go away, help knee pain in some.