Brass doorknobs will virtually disinfect themselves within eight hours. There is intricate detail on the room's smaller metalwork, such as doorknobs and hinges. Moreover, Colombo produced innovative designs for furniture, lamps, glass, doorknobs, pipes, alarm clocks, and wristwatches. Doors were oak with brass hardware and "US" molded into doorknobs. The present doorknobs and hinges, locked for protection, display the state coat of arms. Much of the interior woodwork and hardware, including brass doorknobs, disappeared at this time. Bond smeared the chemicals on doorknobs, car doors, and the mailbox. Brass doorknobs and silverware both exhibit this effect to an extent. This included large decorative screens, doorknobs, etc. The main house has eight fireplaces, a butler's pantry and cut-crystal doorknobs. The longer length may also make it difficult to reach door-opener buttons or doorknobs. She keeps hearing random noises, such as doorknobs being turned and babies crying. She has a collection of over 3000 doorknobs (inspired by Lorne's real-life collection).