藉由內側的樹脂支撐條和大姆指牽引帶,協助因應大姆指周圍的問題。(已取得專利)採用獨家的牽引帶結構,單手就能輕鬆穿戴,也能搭配橡膠手套使用。
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circumference of the wrist:12.5-14.5cm thickness of the thumb :5-6 cm
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circumference of the wrist:14.-16.5cm thickness of the thumb :5.5cm-6.5 cm
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circumference of the wrist:16.5-19cm thickness of the thumb :6-7.5 cm