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Quantity
1
Description
Improve Your Grip Strength with Gripzilla Spinster. Say goodbye to weak handshakes and flabby forearms. Developed with patented technology, this revolutionary tool uses a twisting motion to target and strengthen your forearms and wrists, t...
Reviews
4.6
14 ratings
5
4
3
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1
Spinner
It’s a winner, great for fingers and forearms training and conditioning….
N
Norman · Yesterday
High quality training aid.
T
Todd · March 3, 2026
First, I believe the quality is good. For the price I think this was reasonable compared to the IronMind Twist Yo Wrists.
I have 3 things that I dont like. 1) The length of the rope should be about 6 inches longer. 2) The original knot on the carabiner wasn’t the greatest. I replaced it with a bow line knot. Seems more sturdy. 3) There are burrs on the inside lip of the handles that could mess people’s hands up. If I couldnt fix the burrs my rating would be 3 stars.