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Quantity
1
Description
This is the narrow version of the classic Rolling Thumber!
Just like the classic, place your thumb on the roller side, and fingers on the plate side. Because the fingers have nothing to latch onto, the thumb becomes the primary factor for h...
Reviews
5.0
1 rating
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This is (probably) the best thumb training tool ever created. You really have to focus on keeping that thumb closed. You can't rely on friction, there is none.
It's definitely going to be part of my regular training routine.
