Dear Heloise: In response to Charlie M., what I have done in the past has helped stop the problem of spray-paint clogs. When you're finished painting, invert your can and hit the spray button for just a split second. Then you should see the nozzle clear up. I've done it for years, and it works for me. — Floyd R., via email SEND A GREAT HINT TO: Heloise@Heloise.com CAR SAFETY CONCERN Dear Heloise: You recently suggested to put keys in a bowl or on a key holder by the door. This is not a smart ideaexclamation I know of a family who got robbed when they were not home.