Ergonomic Keyboard Laptop Mouse Stand Mount, Installed to Chair or Any Round Bar with Maximum 1.96 inch Diagonal Thickness, for Workstation Video Gaming: Amazon.co.uk: Home & Kitchen
Multifunctional Lazy Chair Lift Rotatable Bracket Foldable Laptop Stand Computer Desk Keyboard Tray Include Mouse-Pad - AliExpress
Mobo Chair Mount Ergonomic Tray
Under-Desk Keyboard Tray, Adjustable - Sit-Stand Workstations | Display Mounting and Mobility | StarTech.com United Kingdom
Instant Ergonomic Offices: Mobo Computer Station Converts Standard Chair to Workstation
Exercise Bike Keyboard Tray by GNCCAC, LLC | Download free STL model | Printables.com