Hellow guys, Welcome to my website, and you are watching 김은서님(왼손)이 알려주는 백핸드에서의 백스윙실수!! #테니스 #백핸드 #테니스레슨 #히어로테니스 #tennis #backhand #tennislessons. and this vIdeo is uploaded by 데니스남 dennisnam at 2025-06-10T22:08:14-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.