I don't remember if I tried it first or if it was peppys inslaration but this 72 Trojan aft curtian was half patterned
http://i782.photobucket.com/albums/yy102/Mike8560/photo2-8.jpg
http://i782.photobucket.com/albums/yy102/Mike8560/2bfd7675.jpg
that is a zipper down the center for bridge access