Target your training: focus on one or two fingers at a time–even your thumb:Â
- 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
- SELECT YOUR STRENGTH LEVEL AND THAT IS WHAT WILL BE SHIPPED!
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:Â
- Thumb – weakest – use an easier IMTUG
- Ring and pinkie fingers – moderate – use a medium IMTUG
- Index and middle fingers – strongest – use a tougher IMTUGÂ
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:Â
- 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 1Â (Very Easy)
- IMTUG 2Â
- IMTUG 3
- IMTUG 4Â
- IMTUG 5Â
- IMTUG 6Â
- IMTUG 7Â (Very Hard)










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