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Head restraint - Wikipedia
Headrest
Amazon.com: Chair Headrest
Amazon.com: Headrests For Sofas
Atlas Headrest
Amazon.com: Car Seat Head Rest
How do I adjust my headrest? - Ford
Headrest Definition & Meaning - Merriam-Webster
4 Essential Things to Know About Your Car’s Headrests
How to Properly Adjust Your Head Restraint | Cars.com