Did you lock it ? / Key

In this advancing generation, nowadays people needs to deal with tons of information concurrently each day.
Finally when we could take a break, there’s an simple questions just popping out: Did you lock your doors?

“Did you lock it?” it’s a Key handle design, which combine with the turning gesture when people open or close doors.
People could through checking out the key handle status in the first moment to avoid the situation which can’t confirm
if they’ve locked their doors or not, and even start fretful.
Furthermore, reducing the rising rate of obsessive-compulsive disorder and achieving the goal of feeling relieved.