站姿平衡棒使保持平衡變得更加困難。我們的身體會很快地進行調整，在幾次揮桿之內，不假思索，你就會知道自己的弱點並改善你的平衡。
The EyeLine Balance Rod makes it a little more difficult to stay in balance. Our body works very quickly to adjust. Within a few swings, without thinking, you will know your weakness and refine your balance.
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