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Naver Cafe: https://cafe.naver.com/ultimate01/?vi... Oxygen that is essential for our body https://smartstore.naver.com/allbarum... [kakaotalk] https://open.kakao.com/o/sGVVXuKf [instagram] / runndiet0 E-MAIL: [email protected] #Rolling #Running This video introduces auxiliary exercises and pitch methods to strengthen the ankles during marathon running.