I know im bumping something a bit dead but watched this today and thought I would add it to this for the person who comes across this.

https://youtu.be/t8qGtEVh7oQ

I suggest people look up Teflon too.

My dog only gets up and goes to the door when someone knocks if it’s pizza. Any other time mail, Amazon, door dash, Uber eats, no care in the world that someone is at the door. Pizza she is right there before they even knock.