Amazon.com: Adjustable Headrest for Office Chair,Chair Headrest, Pillow Mesh Chair Universal, Adjustable Height Upholstered Headrest with Long and Short Screw Fittings - Only Headrest ,White,2.6cm Fixing Clips : Everything Else
Amazon.com: Tofficu Office Chair Headrest Attachment Universal, Adjustable Headrest for Office Chair, Computer Chair Head Pillow for Desk Chair, Computer Chair, 2.6cm Fixing Clip for Backrest Thickness 2-2.4cm : Home & Kitchen
Amazon.com: Office Chair Headrest Attachment Universal Head Pillow for Executive Chair Adjustable Angle and Height Black Mesh Nylon Elastic Sponge Head Support Cushion for Desk Chair 1.02 inch/ 2.6 cm Fixing Clip :
Office Chair Headrest Attachment Universal Head Support Cushion Upholstered Adjustable Height Angle | Fruugo KR
Herman Miller Aeron Chair Mesh Headrest bottom clip only New Fits A B C Size | eBay
Breathable Adjustable Height Desk Chair Headrest Head Rest For Office Chair for Head Chair Indoor - AliExpress
ERGOKING Headrest for Office Chair - Office Chair Headrest Attachment Compatible with Herman Miller Aeron Classic - Fully Adjustable Height &Tilt, Removable Coat Hanger - Graphite Frame, Black Mesh - Newegg.com