The factory covers had a wimpy rope-type piece in the center hold-down listing that you can't really reuse. A stiff piece of wire cut to the length of the channel in the foam will provide better results anyway. Slide the wire in the listing, which will provide a nice strong bond between the cover and springs once hog ringed in place. Now pull the cover forward to line up the front edge of the cover with the front edge of the foam and install about four or five evenly spaced hog rings. Repeat the hog ring process on the other center hold-down listing.