Videos of self-care exercises are at
I have had three whiplash accidents and have tried many different pillows for my neck pain over the years. The most comfortable pillow I have found is a buckwheat hull pillow. The pillow can be molded to any shape and will hold its shape. When lying on your back, you can bunch it up under your neck like a cervical pillow, then when you lie on your side, you can bunch it up higher to support your head.
Intermittent traction to the neck pumps the intervertebral discs, helping them to be healthy.
This video shows how the traction unit works: