The Arc4life cervical traction neck pillow is a great pillow for someone who suffers from a pinched nerve in the neck. The V part of the pillow allows for a gentle traction of the neck. This opens up the intervertebral foramen (holes on the side of the neck where the nerves exit), Taking the pressure off of the nerves. Its available in two sizes: Medium (standard) and Large.
Here Dr. Bellinger highlights the features of this special neck pillow: