There is a mouse graveyard in my office cabinet — devices I’ve tried and discarded because they didn’t help with my shoulder aches. The solution was a roller ball mouse and Logitech’s MX Ergo is the best I’ve found. It tilts for a more natural “handshake” grip and has a slow-mo option for more precise movements in Photoshop and other apps. The scroll wheel is speedy but precise, as is the trackball and you can switch between two devices with the pairing button. You can even program the various buttons to do app-specific things using Logitech’s software. It’s
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