adjustable keyboard stand (desk attachment). sort of like those keyboard trays that slide out from underneath (which i hate), except the thing i'm thinking of l

adjustable keyboard stand (desk attachment). sort of like those keyboard trays that slide out from underneath (which i hate), except the thing i'm thinking of lets you pull the keyboard to a decent range of positions in the XZ plane (if your monitor is the YZ plane and the surface of your desk is the XY plane), and thus can be used whether sitting or standing.