Can I attach a small screen to XOOT_Pro?

I’ve gotten a few of these questions lately.  Such at the Cintiq Pro 16″. My initial response was: XOOT_Pro was designed for larger pen displays (22″ and above).  It’s big, heavy and expensive.  Why would you want to do this? The answer I got back was: I’m looking to get the bigger screen later.  I’ll…