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Journal

THE JOURNAL

Training tips, skin science, and athlete stories.

Don’t ever use grip strength as an excuse again!

Jun 20, 2016american ninja warrior

Don’t ever use grip strength as an excuse again!

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Feb 27, 2015callus

How long will my GRINDSTONE last?

We often hear from customers that their stone flakes, and leaves a black dust on their hand. This is true! And a very important feature...

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How to take care of your gnarly, callused CrossFit and rock climbing hands

Feb 24, 2015callus

How to take care of your gnarly, callused CrossFit and rock climbing hands

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