Earlier quoted context omitted.
Would it help if you had a webcam pointed at the door so you could remotely verify it's closed and locked? Or do you need some the actual feeling of the door being closed to end the fixation?
Really want to see an answer on this
I expect it would just move the goal posts, and you would end up staring at the screen to confirm the door is closed or checking the camera to ensure it is pointed at the correct door or some similar way of getting the 'hit' that the door checking gives you.