Here is a grip training system designed with BJJ practitioners in mind. The SuperBJJ Super Grip Trainer comes with an elastic resistance band with 2 carabiners, 2 lapel grip sleeves, and 2 sleeve grip sleeves. You can use this to improve muscle power and stamina in your fingers and wrists.
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The Super Grip Trainer lets you train your grips from various positions. You don’t need a partner to use this either.
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