A trackball is basically an upturned mouse. Rather than rolling the mouse on the table top it is a static device, with the ball on the top being moved using fingers, thumbs and palms. Larger trackballs are often suitable for use by feet.

Using a trackball

Demo of Kensington Expert Pro Trackball

Logitech Trackman

Logitect Trackman v Logitech Marble

RoleePolee Handheld trackball

Demo Of Sam-Trackball (RJ Cooper)

Kensington SlimBlade Trackball

Kensington SlimBlade (Media Mode)

Trackball World . . .

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