Det kære legetøj AKA Sex and the Law AKA Danish Blue (1968) - Gabriel Axel

English-dubbed version. A relatively tame, lighthearted mockumentary featuring man-on-the-street interviews, a look inside porn shops, a narrator recounting her misadventures, and a porn shoot. I didn't see the still from Film as a Subversive Art (see above) - perhaps it's a promotional still, or perhaps it was cut in the US version.

Det kære legetøj AKA Sex and the Law AKA Danish Blue[Danish version] (1968) - Gabriel Axel

IMDb reviewer wrote:
Gabriel Axel is a great director (BABETTE'S FEAST his masterpiece and HAGBARD AND SIGNE also of high quality) who I was fortunate enough to interview for Variety newspaper back in the day. I was always curious about his porno films, and SEX AND THE LAW gives us some insight into his playful approach.

Purporting to be a documentary, with a winsome femme narrator guiding us through the oddities and hypocrisies of Danish obscenity laws which supposedly got her in trouble personally, it's a light-hearted mockumentary that's hopelessly dated. By the time it was released in America in 1970 it was already dated, as Danish laws had freed up what was permissible and XXX explicitness (unlike the timid and even censored footage shown here) was all the rage in U.S. adult cinemas.