Along with the pressbook, many times there were advertising or promotion supplements. These were printed inserts that included promotional articles and ideas, merchandising tie-ins, poster advertising, theater lobby displays, and additional newspaper adverts. Here are the two supplements (2 pages and 4 pages) for Tarzan the Ape Man. Johnny Weissmuller had a contract to promote BVD underwear. When the movie rolled around, a given tie-in for BVD was a no-brainer.