Use IMTUG for targeted training, one or two fingers at a time – even your thumb. Can't quite close a CoC #2? Train your pinky and ring finger with an IMTUG3 or IMTUG4 and see what happens. Want to get certified on CoC #3 or higher? Meet IMTUG5, IMTUG6, and IMTUG7. Want a portable way to train your pinch grip? The IMTUG1, IMTUG2, or IMTUG3 should be in your pocket. Designed to train your fingers one or two at a time. The perfect and portable way to train your thumb. Patented IronMind GR8 springs in 7 strengths: accurate, precise, durable. Soft tissue-friendly, ergonomically designed aluminum handles. CoC-compatible: works hand-in-glove with Captains of Crush Grippers. Choose your IMTUG based on the relative strength of your fingers: Thumb – weakest – use an easier IMTUG. Ring and pinky finger – moderate – use a medium IMTUG. Index and middle finger – strongest – use a tougher IMTUG. Which IMTUG should you choose? Use the following guide to select the correct level of IMTUG based on which Captains of Crush Gripper you are training with. Guide or Sport – IMTUG1, IMTUG2. Trainer or #1 – IMTUG2, IMTUG3, IMTUG4. #1 or #2 – IMTUG3, IMTUG4, IMTUG5. #2 or #3 – IMTUG4, IMTUG5, IMTUG6. #3 or #4 – IMTUG6, IMTUG 7. IMTUG1: For those working with Guide or Sport CoC Grippers; and who want to train their pinch grip and/or ring/pinky finger. If you have any questions, concerns, or need more information, please do not hesitate to contact us at any time. Our team is dedicated to providing you with support and answering any questions you may have. Your satisfaction is our ultimate goal. We look forward to providing you with high-quality products and service! Thank you for your support.

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