Try removing the door to your toddler's room and replacing it with a swinging gate. It's better than keep the door open all the time, and the best part it can keep them in the room when you don't want them roaming the house.
Removing Rust From Chrome School Chairs For A Cute Dining Set . removing rust from metal using aluminum foil and water . it actually polishes it . it really works, you can also add toothpaste to polish the metal too per the comments .