Put the mouse pad at the top of the keyboard, not under your hands. For most people you only need a 1"x2" pad. Maybe have two for lefties. It makes more ergonom

Put the mouse pad at the top of the keyboard, not under your hands. For most people you only need a 1"x2" pad. Maybe have two for lefties. It makes more ergonomic sense. If you need more than that, you're probably better off with an external mouse.