Opportunistic Sensing and Collaboration for Level Set Estimation?

A therapy pillow having a cold pack specially constructed and contoured to provide intimate contact with the occipital region of the head. The pillow constructed and contoured to fit partially around the neck and tapered so that the surface portion of the pillow will apply an even force to the occipital region of the head. A pocket provided in the pillow receives a specially contoured container filled with a temperature retaining material providing a cold pack which will relieve migraine or muscular contraction headaches when applied to the head. The specially constructed pocket is lined with a moisture resistant material and is easily and quickly opened and closed for receiving the cold pack.