- swimming - [kumdo vs fencing]( https://www.gqkorea.co.kr/2018/10/17/%EA%B2%80%EB%8F%84%EC%99%80-%ED%8E%9C%EC%8B%B1%EC%9D%80-%EB%AC%B4%EC%97%87%EC%9D%B4-%EB%8B%A4%EB%A5%B8%EA%B0%80/) : - tennis vs squash vs badminton vs pickle ball : wrist-lower_arm-upper_arm moving sequence differs - wish to learn judo following some artist's quote