Thumb-operated models look more like traditional mice but typically have a trackball on the left side, so they’re comfortable only for people who mouse right-handed. Since thumb-operated ...

The Kensington Orbit Mouse is one of the more unusual designs here, with a large trackball taking center stage. It can be used by both left-handed and right-handed users, and its two buttons are ...

But we here at Hackaday don’t judge based on alternate input lifestyles, and we quite like this billiard ball trackball mouse ... case that perfectly fit his hand, with the ball right under ...