Bouncing Balls (1969)

In this film Nauman bounces his testicles with one hand Shot in extreme closeup the work is perhaps an ironic reference to an earlier film Bouncing Two Balls Between the Floor and Ceiling with Changing Rhythms in which he bounced rubber balls Along with Black Balls Gauze and Pulling Mouth Bouncing Balls is one of Naumans SloMo films which are shot with an industrial high speed camera