A class one can take (at least in
Texas) to dismiss minor traffic violations. It's 6 hours out of your life, but the ticket doesn't go on your record, and your insurance doesn't go up. Which is a plus.
There are different varieties of defensive driving courses, from comedy defensive driving, to ice cream defensive driving. And, of course, the on-line variety.
Also: A method of driving. (defensively.. duh)