Has anyone figured out how to take the curtains off the holders in the Caravelle? I am ready to have mine drycleaned, and I don't seem to be able to get them off the rod/slider. The sliders have two different types of ends holding the curtains on. One has a beige plastic plate on the end (I don't want to break it, so I am asking advice). The other has a screw through the end of the rod, and the rod is spread open around the screw. I can't get the plastic sliders holding the curtains off of either type.