Dog training can be full of challenges you never thought to face. Dog's jumping against the door and escaping from a room or the entire house is one of those things you perhaps didn't think to crash at. We have turn all our strategic door handles upside down already for 25 years. When you do that they can't at first open the door accidentally when jumping against it -and later on by purpose when they learn pressing the handle down opens the door. Even our cat tried to open the doors by jumping up to the handle and hanging from there until it got open!
See the video below how it works.
