The jelly web is designed to train the finger expander exercise. According to your length of finger to choose the resistance you need, the resistance will be presents by the different distance
of the hole.
The jelly web features a unique advantage of different resistance
levels in one. The longer space between holes, the higher resistance presents. The shorter space between holes,
the lower resistance presents. The jelly web is
31cm in length and 25cm in height.
網ジェリー
穴の位置によって強度調節が可能です。
指の筋力を鍛えられます。
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