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I've spend a good few hundred on gaming mice in the last year or two, and am still looking for the perfect match. I've matured enough as a nerd to admit that ergonomics are vastly more important to me in a Starcraft mouse than are raw specs.

While waiting on my G100s to arrive I decided to make another change to my current mainstay, the Zowie Mico. For those of you that aren't familiar with this mouse, it has an epic shape for RTS gamers but fairly stiff buttons. It has a good, but not perfect sensor. While the Mico is certainly light enough to be comfortable in high-frequency movements, I found the force required to actuate the switches to be completely intolerable. At very high APM, even otherwise imperceptible differences in click actuation force between mice can lead to very real differences in muscle and tendon fatigue over the course of a game.

I had previously swapped out the Huano switches with Omron D2F-01F switches. This lightened the actuation force up a bit, making the mouse useable if not perfect. Apologies for the poor quality of the photos, but this camera refuses to focus correctly.



Since the "buttons" are connected to the rest of the upper case element by a living hinge, I decided to weaken it with a rotary tool. One of the nice advantages of a living hinge from a modding standpoint, is that the degree of reduction in required force can be controlled. In my case, I have removed a little under half of the hinge. It would have been nice if I had a very small diameter cut-off wheel, to limit the aesthetic damage. But I don't, and I'm impatient.



The resulting difference in actuation force from the new switches and those two little slits is dramatic. The mouse is now much more comfortable to use during extended sessions of 250 - 300 APM.