it is even possible to change the settings for the mouse and reverse the L&R buttons so that it is a mirror image....but this is harder for 'most' folks (and the space on many folks' desks is not easy to re-arrange)....I am so right handed it is scary, so when I need a rest, or old age makes memorizing 53 different keyboard tricks too daunting, the MouseTool program just eases the strain....(and, it is totally easy to just disable and leave parked in the launch bar when you don't need it...then re-open it when it is useful)

I will refresh this a few times till it seems everyone has at least realized it is here....as I said, if it helps even one person...................