He also notes that "the oldest surviving pornographic movies are contained in America's Kinsey Assortment. Just one movie demonstrates how early pornographic conventions ended up recognized. The German film Am Abend (1910) is actually a ten-minute film which starts with a girl masturbating by itself in her Bed room, and https://singnalsocial.com/story3720619/the-2-minute-rule-for-sex-movies