Pen spinning is a form of object manipulation that involves the deft manipulation of a writing instrument with one's hands. Although it is often considered a form of self-entertainment (usually in a school/office setting), multinational competitions and meetings are sometimes held.(1) It is a form of contact juggling. It can also be classified as a sport. Pen spinning is known as "pen mawashi" (compare for example mawashi-geri, "round-kick") or, more disparagingly, "rōnin mawashi" "college student spinning" in Japan where the pastime has been popular since at least the 1970s, and where the Pen Spinning Association Japan is now dedicated to promoting the aspiring art form. While its origins remain unclear, pen-spinning is quickly gaining international popularity through on-line video sharing and forums. According to Masaki Tsukada, chairman of the Japanese pen spinners, pen spinning now has dedicated movements in South Korea and the United States.