Reigh tells Dorothy he can hack into all the screens in Emerald City in "two shakes of a Woozy's tail." The Woozy is a cat-like creature made up of flat surfaces and sharp angles.
Langwidere traps Glinda in a prison sphere. Many years earlier, the Wizard of Oz helped Dorothy's great grandma Dorothy and her friends travel around Oz by building a machine that blew huge soap bubbles. You can read more about that adventure in L. Frank Baum's The Road To Oz.