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Quantity
1
Description
Spring-loaded masterpiece
Stainless steel and wood spring loaded thumb isolation trainer made by grip community legend EatChalkGetBig. Comes with three springs that take around 15, 30, and 45 lb of force to compress the thumb pad flush with...
Reviews
5.0
2 ratings
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This thumb trainer is awesome, ive been looking for one of these. I bought two. It comes with two other springs and a small wrench to adjust tension.
W
Wes · June 26, 2026
I bought 2 of these and they are awesome. Iit comes with 3 springs for more resistance. My thumbs are growing after 3 weeks.
