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Warm-up: 2 sets of 5-10 reps with warm-up gripper
A negative is performed by using your off hand to help shut the gripper fully
You might not be able to close it at first
An Advanced Challenge
Part of IronMind's "Crushed-to-Dust" challenge
IronMind #0.5 66 Warm-up: 2 sets of 5-10Average rating: 65 lbs The authentic gold standard for training your grip Prepare to become a "Captain of Crush" Moderate knurling Made in the USA Disclaimer: IronMind's manufacturer rating for this gripper is 120 lbs. To read more about how Cannon PowerWorks' average ratings are different, please click here. Captains of Crush Grippers blazed new trails in the gripper world, taking what had been largely a cheap, imported plaything and turning it into