This little pup is not going to be fooled into going through the invisible patio door in front of him. It doesn’t matter how many times his name is called or how many treats come his way — he’s not budging.

So what persuades the dog that it’s safe to walk through the open door? You’ll have to watch the funny viral video to find out.
https://youtube.com/watch?v=udbMNZDQS48