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the IronMind EGG can be squeezed as gently or as ferociously as you'd like
A 12 mm or adjustable wrench can be used to loosen for tighten components
The Genie Ball is a great addition to your grip collection
Sorin trained and ultimately became the first person to lift the Blob
you have the strongest grip on the planet
Pony Pinch Kit 84 the IronMind EGG can beSimply the best dynamic thumb trainer. Our Pony Pinch Kit is a simple and innovative homemade alteration to the tried and true spring clamp. Pinch trainers are often expensive, heavy and cumbersome to use. Spring clamps are an economic solution and easy to use, however many people find them too hard for one hand and too small for two hands. Our plate attachments solve all these problems. There are also two screw posts to add rubber bands for variable