But we here at Hackaday don’t judge based on alternate input lifestyles, and we quite like this billiard ball trackball mouse. A trackball aficionado, [Adam Haile] spotted a billiard ball ...

When we first heard about a mouse, we weren’t convinced ... Oddly enough, this isn’t the first time we’ve seen a billiard ball pressed into service like this. At least they are cheap ...

If this type of trackball mouse suits your ergonomic or productivity ... Because it’s nearly the size of a pool ball, shuttling the pointer across multiple monitors with less movement can ...