4.Examine your locks. If your lock has scratches, it indicates that someone has attempted to pick it open. In order to give yourself time to act promptly in the event of an emergency, check your lock before you open the door and enter your house. Post navigation 10 Things Flight Attendants Rarely Talk About, Plus Tips to Make Your Flights More Comfortable 16 Clever Repair Tips We Wish We’d Learned Sooner 1 2 3 4 5 6 7 8 9 10 11 12