Description
E-book for gripper: The technology is important! The Twivee training guide for the gripper shows you the right use for optimal forearm training and provides training tips.
Fast strength increase: For hands of steel! Increase the grip strength in your hands. With our hand gripper, you can build massive power and strong muscles very quickly.
Perfect grip: For training without compromise. Thanks to the specially developed surface structure, the Handexpander offers ideal handling without slipping.
Brand quality: Practically indestructible. Finger trainer made of hardened steel and aluminium. For perfect training, always like the day you got it. It is delivered to you including bag and grip pad.
Two assorted hardness grades: Are you strong enough? The Twivee pump-gripper allows you to carry out intense resistance training through different degrees of strengths. Choose your level of strength.
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