最終更新日：2024/08/08
A metal ball held and rotated within the hand to improve manual strength or dexterity or to relax the hand.
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Baoding ball
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A metal ball held and rotated within the hand to improve manual strength or dexterity or to relax the hand.
Baoding ball
DiQt（ディクト）
無料
★★★★★★★★★★
