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Target your training: focus on one or two fingers at a time--even your thumb: 

  • Pinch or crush--your choice--one or two fingers at a time
  • Precision manufacturing for world-class performance, feel, and appearance
  • Perfect--and portable--way to train your thumb
  • Proprietary IronMind GR8 springs in 7 strengths: precise, durable, good-looking
  • Ergonomic handles for reduced pressure on soft tissue of hands
  • CoC compatible: works hand-in-glove with Captains of Crush Grippers
  • Made in the USA
  • THIS LISTING IS FOR IMTUG 3

Can't quite put away a CoC No. 2? Hit your pinkie and ring fingers with an IMTUG3 or IMTUG4 and see what happens.

Want to certify on the CoC No. 3 or beyond? Meet IMTUG5, IMTUG6, and IMTUG7.

Want a portable way to train your pinch grip? IMTUG1, IMTUG2, or IMTUG3 should be in your pocket.

Choose the IMTUG based on the relative strength of your fingers: 

  • Thumb - weakest - use an easier IMTUG
  • Ring and pinkie fingers - moderate - use a medium IMTUG
  • Index and middle fingers - strongest - use a tougher IMTUG 

Which IMTUGs should you choose? Use the following guide to select the right level of IMTUGs based on which Captains of Crush Gripper you are training with: 

  • Guide or Sport - IMTUG1, IMTUG2
  • Trainer or No. 1 - IMTUG2, IMTUG3, IMTUG4
  • No. 1 or No. 2 - IMTUG3, IMTUG4, IMTUG5
  • No. 2 or No. 3 - IMTUG4, IMTUG5, IMTUG6
  • No. 3 or No. 4 - IMTUG5, IMTUG6, IMTUG 7


7 strengths to choose from:

  • IMTUG 1 (Very Easy)
  • IMTUG 2 
  • IMTUG 3
  • IMTUG 4 
  • IMTUG 5 
  • IMTUG 6 
  • IMTUG 7 (Very Hard)


IronMind has always focused on providing unique, top-quality equipment to serious strength athletes, but since IronMind began in 1988, things have evolved. IronMind once had a product line that looked as if it had come straight from the forge, but over the years, many of our products became streamlined, modernized, and drop-dead gorgeous. As part of our commitment to making premier tools of the trade for serious strength athletes, we want you to use your IronMind equipment for many years of productive training. And when you feel like, you can pass it along to the next generation so they can do the same. Grip, weightlifting, strongman, Highland Games, throwing—that’s the stuff of IronMind’s DNA, so whether you are a world record holder, an Olympic gold medalist, or the strongest guy in your garage, we’d like to introduce ourselves to you. 


Used by many professional institutes such as the New England Patriots, Pittsburgh Pirates, or University of Cornell, you can be sure that you are getting the apex of grip material. Get the same gear professional NFL, MLB & D1 NCAA schools use to enhance their performance!


IronMind is the greatest company for grippers hands down! I've tested many different companies and the result is not even close. The IronMind Grippers are something EVERYBODY needs; these grippers have GREATLY improved my Wrestling, Jiu Jitsu, and Arm Wrestling...and you will see results FAST. I have reccomended these to other athletes and 100% of them will attest to improvement from these. I have used lighter grippers to help improve my tendonitis and I will vouch that these grippers have quickened my recovery to record time! There is a reason why professional organizations such as the NFL, MLB, & D1 NCAA use IronMind products! Look no further as you found the golden nugget with this product. THIS IS THE BEST PRICE ON THE MARKET GUARANTEED! YOU WILL NOT FIND A BETTER PRICE THAN RIGHT HERE!