There are two ways you can do this from both a MacBook trackpad or a Magic Mouse. The first is by pressing the Control Ctrl key on the keyboard while simultaneously clicking the trackpad or mouse. The second is in the Mac software settings, where you can tell the machine to respond differently depending on which fingers you place down. Either way, it a handy function and one you probably use more than you realize that can be made easier or more comfortable. If you dont want to adjust settings...
