John Kay (spinning frame) a spinning machine embodying the ideas which they had been developing. Arkwright patented it 1769 without mentioning Kay, his "workman". Kay learned of this patent from another Nottingham inventor, James Hargreaves, and told Hargreaves that it was he, Kay, who was the real inventor. Arkwright accused Kay of revealing the design to Hargreaves, and the two fell out. Kay left Arkwright's Nottingham house, where he had been living, ending their relationship. Kay subsequently accused Arkwright of stealing his work tools, and Arkwright made a counter-charge . The spinning machine as constructed in Nottingham by Kay and Arkwright was powered by
Pen spinning pen spinners from communities centered across the world could join. The pen spinning community is present mostly on the Internet through forums and video hosting platforms. Aside from the Universal Pen Spinning Board, which is proclaimed as an international English-speaking forum, forums are centered in specific countries, such as Japan, France, Germany, and China. Over time, users may migrate to a similar or upgraded forum, causing some forums to become inactive. While forums are operated largely as separate entities, cross communication occasionally occurs for international events. A pen-spinning collaboration involves multiple pen spinners' short video clips being compiled into a