-A new type of pull-buoy system that is easy to use and does not fall off -Develop upper body strength without sacrificing rhythm or technique
-Focus on pulling rather than worrying about holding your thighs together
-Encourages long-axis rotation and develops proper angles and balance -For use in all four strokes
-漂浮板设计新颖,使用简单,不易滑落 -训练上身肌力,不牺牲运动节奏和技能 -令学习者专注于划臂动作,而无需担心如何并拢双腿 -促进长轴翻身,训练多种角度姿势和平衡能力
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