That's when you might want to turn your attention to using a clay bar. Properly done, clay bar detailing can help your car maintain that mirror-like finish, especially if you do it on a regular basis.

And so we’ll focus here on one of the lesser-understood: the clay bar. For this, Driving.ca contributor Jil McIntosh went out to the garage to ask Fred Bottcher — a.k.a. her husband ...