Contact juggling is a form of object manipulation that focuses on the movement of objects such as balls in contact with the body. Although often used in conjunction with "toss juggling", it differs in that it involves the rolling of one or more objects without releasing them into the air.
Many of the techniques found in contact juggling, such as balancing or rolling a single ball or palm spinning (see "Baoding Balls"), have been performed for centuries. More variations were introduced by vaudevillians such as Paul Cinquevalli. In 1986, American juggler Tony Duncan was reported to be holding audiences spellbound with an act that involved rolling a single ball all over his body.
Michael Moschen brought the form to a new level with his performance, "Light", developed in the 1980s. In this performance he used 75mm clear crystal balls, palm spinning up to eight balls simultaneously. He finished the act by rolling a single clear ball so that it appeared to float over his hands and arms. Moschen received praise from the international circus community for his range of innovative techniques, and he was made a MacArthur Fellow (received a "Genius Award") in 1990. In the 1986 film Labyrinth, David Bowie's character performs contact juggling throughout the film. These manipulations were performed by Moschen, who stood behind Bowie during filming, reaching around and performing the tricks "blind". In the film's credits, Moschen is credited for "crystal ball manipulation."
In the summer of 1990, John P. Miller (now better known by his pen-name, James Ernest), wrote and published the first edition of the book Contact Juggling, which covers all of the basic contact juggling techniques and methods for learning them. The first edition had a run of only 100 copies, photocopied and stapled. The second edition was published in 1991, in a comb-bound format, by Ernest Graphics Press, with the author listed as James Ernest. Ernest is credited with coining the term "contact juggling".