My dad and I play CoD together and he gets carpal tunnel pain (thumb/arm pain) if we play too many hours a day or too many days in a row. He has been using computers for many years and has had carpal tunnel syndrome before, so games only make it worse. These joystick additions are perfect for him. The new hand position reduces his pain and lets him play longer. He also plays with his thumbnails and completely erases the rubber on the original joystick cover of the controller (Xbox 360 controller). It also serves as a cover for the original sticks. They are easy to put on and don't move or fall off which is great. I think it improved his game too. However, it takes a game or two to get used to it. However, this is not uncomfortable. Maybe play the levels that don't matter before venturing into the multiplayer that matters.
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