Cervical Spine Massage Pillow Gravity Acupressure Neck Massager Cervical Spine Pillow Neck Shoulder Massage Pillow Home Traction CorrectorOverview: Relief neck pain in just 10 minutes. Simple and effective physical solutions to soothe away stiff neck helps in restoring proper cervical curvature associated with consistent use. A dense and soft foam design provides a sturdy, lightweight, and comfortable base. Can't be used as an ordinary pillow all night long. Normally you will need 1 3 days to adapt to this pillow because your neck needs time to familiar with the new corrector curvature.