There is a description that a kumite called 'ko-shu' was demonstrated in front of an ambassador from the Qing Dynasty who had visited Okinawa to create King Sho Tai as a new rank, but it isn't known what the 'ko-shu' was.
尚泰王の冊封式典のために訪れた清の使節の前で、「交手（こうしゅ）」という名で組手を披露したという記述があるが、その内容については不明である。