Black Balls
Movie| Title | Black Balls |
| User score | 0 |
| Release date | Jan 1, 1969 |
| Genre | |
| Director | Bruce Nauman |
| Production country | United States of America |
| Run time | 10 min. |
In this film, Nauman applies black makeup to his testicles. The action was recorded with an industrial high-speed camera capable of shooting between one thousand and four thousand frames per second.