For those interested, more pics in this thread on it:
http://www.ft86club.com/forums/showthread.php?p=1479075
Why couldn't they just make one that looks like the EUDM one, but slide from front to rear. It could then even be a rear seat armrest for passengers in the rear when it slides back.
My Imagination Below (Sorry for the Terrible MS Paint) Something similar to the armrest in the 2nd Gen Lexus IS