I'm guessing you got this figured out already, but if not. Clothes hanger, bent out straight. Tape the end of your speaker wire to it real good and make sure any sharp ends are covered with electrical tape. Stick just a bit of WD40 or grease on it (not enough to make a mess) and it should slide right through that rubber tube. Prior to pushing it through, pull each end of the tube off the plastic holder thingy (technical term) on each end. Hope any of that makes sense, haha.