Accessible Door Indicator

This is a concept for establishments such as care homes or residential homes - anywhere where privacy is required but a lock is not always suitable.

The idea was created with the disabled toilet at my workplace in mind - we all use it because it's cleaner, but it is hard to see when it is available. I have lost count of the times people rattle the door when I'm minding my own business inside. It's ok for me - I lock the door, but in other situations it could be very awkward for people. The ro