ROYY Laptop Screen Extender, 14" Portable Laptop Monitor FHD 1080P IPS, 180° Rotation Dual Screen, One Cable Plug & Play, Extra Compatible with Windows/Mac/Android/Switch/PS Fits 13"-17" Laptops

My friends at school have been using something like this: https://a.co/d/0iCQMTWj. I don’t know if this is the exact brand but it’s easy for them to fold up and put in their back packs, and it adds another screen, which makes working easier.