captains of crush
The Ivanko Super Gripper
Our home gym has a small but respectable collection of grip tools. A few Iron Mind Captains of Crush grippers, an Iron Mind Rolling Thunder revolving deadlift handle, pinch-gripping block and 15″ loading pin, and my favorite, the Ivanko Super Gripper. While all of them have their place, if I could only keep one it would be the Ivanko.
The biggest advantage of the Ivanko over spring grippers is the ability to adjust the resistance from about 45 up to 345 pounds in over 50 steps. This exceeds the range of the first nine Captains of Crush grippers, from the 60 pound Sport to the 322 pound number 3.5. Only the Captains of Crush number 4 is harder to close than the Ivanko at it’s hardest setting, requiring a massive 365 pounds of force. This should be of little practical concern to most people, however, since only five people have ever officially closed the number 4 › Continue reading