The ProWren will lock in the fade and stay there forever.
The standard approach with most of this style of kite is to get the kite moving towards you then step under
the kite such that you're now facing the opposite direction and the kite is semi-wrapped. A smooth pull should flip the kite back into a normal flying orientation. I will refer you to this description
from The Depths of Time
Almost anything else takes up more airspace than you'll have available with an indoor setup.