VIVOWooden Clamp-on Adjustable Computer Mouse Pad and Device Holder for Desks, Extended Rotating Platform Tray, Fits up to 2 inch Desktops, Black, MOUNT-MS01B

VIVO Clamp-on Wooden Mouse Pad Holder Platform, Adjustable Under Desk 360° Rotating Tray Rest Extension Attachment, up to 2 inch Desktops, Black, MOUNT-MS01B

BONTEC Ergonomics Desk Extender Tray, 9.5"x9.1" Table Mount Arm Wrist Rest Shelf, 90° Foldable Elbow Arm Support, Clamp on Computer Arm Rest for Desk, Suitable for Office Desks

VTUIFBT Metal Clamp-on Adjustable Computer Mouse Pad and Device Holder for Desks, Metal Computer Mouse Desk Mount Pad, 10.63" x 8.66" Ergonomic Desk Extender Tray, Fits up to 4 Inch Desktops, Black