$12.99
(as of
23/07/2019 19:04 PDT
details
)
Features:
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5 buttons initiated, one more button than the common exerciser
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Soft button cap makes it comfortable to press. The slim size makes you hold it all in one palm
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Copper core, adjustable tension, make operation smooth and accurate
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With 2 brackets, any two of the buttons can be held down. You can choose whatever fingers you want to exercise at your will
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Can lock 2 buttons simultaneously