Patent adjustable neck pillow, will make you neck comfortable, don't worry about long travel with it.
http://www.amazon.com/dp/B016O8OCNC
http://www.aliexpress.com/store/product/2PCS-YG-Adjustable-Neck-Rest-Pillow-for-Car-Microfiber-Leather-Multifunction-Neck-Pillow-for-Long-Travel/1848006_32491495621.html
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