Essex girl Courtney's car gets caught in a huge hail storm and ends up with dents all over the body work. She takes her car to the nearest garage and asks for advice. The mechanic, seeing an opportunity, tells her that the best way to remove the dents is to blow up the exhaust. Courtney drives home and later that day, her flat mate hears huffing and puffing coming from outside. She goes out to investigate and sees Courtney on her hands and knees blowing as hard as she can in to the exhaust. "What you doing?" asks her flat mate. "Oh the man at the garage said I could remove the dents by blowing up the exhaust". Her flat mate bursts in to laughter her eyes streaming and says, "You'll never do it, Courtney', you've left the windows open".