Hellow guys, Welcome to my website, and you are watching 스윔 드릴 마스터 수영 - 배영의 잘못 된 팔 동작과 배영 팔 동작의 연습 방법(way to get better backstroke arm). and this vIdeo is uploaded by 스윔드릴마스터 at 2019-10-04T10:00:48-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.