Hellow guys, Welcome to my website, and you are watching [Full] 볼 스피드를 높이는 백스윙 셀프훈련법!!| 볼링 레슨 PERFECT | 윤희여 | 2회. and this vIdeo is uploaded by BowlingPlus 볼링플러스 at 2021-11-18T01:00:34-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.