Headrest Pillow Memory Foam Supports Cervical Spine Head Soft Velvet Car Six-way Adjustable Headrest Leather Car Seat Cushion Multifunctional Pillow Neck Support Cushion with Hook Foam Breathable Head Support Neck Rest Protector Car Interior

6. The main function is to protect the neck. In the event of a crash, due to collision of the enormous impact of the head would suddenly thrown back, so that the crew was more serious, even fatal injuries. Neck pillow can effectively prevent the floating car and neck caused by a long bend , fatigue, pain.