In addition, Shichijishiki (the seven virtues style ceremony) was designed by Nyoshinsai of the seventh head of Omotesenke, Yugensai of the eighth Urasenke, and Fuhaku KAWAKAMI of the founder of Edosenke (the house of Edosen) as the new practice method to handle large numbers of disciples.
また、表千家七代如心斎、裏千家八代又玄斎、如心斎の高弟、江戸千家初代川上不白などによって、大勢の門弟に対処するための新たな稽古方法として、七事式が考案された。