(수영노래)이 것만 고치면 90%는 문제가 해결되요.(자막ON!, 접영노래, 엔딩시청 필수! )

This video allows you to easily and quickly learn the wave, which is the most important element in butterfly stroke. #ButterflyStroke, #ButterflyStroke, #LearnButterflyStroke, #ButterflyStrokeLesson, #Swimming, #SwimmingLessons, #BeginnerSwimmer, #ButterflyBeginner, #BeginnerButterflyStroke, #HowToSwimButterflyStrokeWell, #ButterflyStrokeTips, #ButterflyWave, #ButterflyRhythm, #ButterflyTiming, #ButterflyBasics, #HeadPosition, #WaterSweeping, #ArirangButterflyStroke, #DolphinKick, #WavePractice, #SwimmingPosture, #SwimmingTips, #BodyConnection, #SensorySwimming, #BelugaSwimming, #SwimBeluga, #GettingFriendlyWithTheWaterToday