The ASUS ScreenPad 2.0 lets the trackpad do so much more - Edge Up
Open the on-screen touchpad - Microsoft Support
ASUS ZenBook Pro Duo Puts A Large Second 4K Screen Above The Keyboard - SlashGear
Puccy 2 Pack Touch Pad Film Protector, compatible with Microsoft Surface Laptop Studio 14.4" Laptop TPU TouchPad Trackpad Guard ( Not Tempered Glass Screen Protectors )