Elizabeth Potter was getting ready for work when she noticed her Saint Bernard, Everest, scratching and poking his head against the fence. What was he up to? Well, seconds later, it becomes clear when Bear, the neighbor’s 2-year-old English Mastiff sticks his head through a hole in the fence. Did the dogs make their own doggie-door by squishing their large heads through the wooden slats? Yes, the mischievous dogs did!After seeing the pair of dogs so desperate to play with one another, the neighbors come up with a solution to make it easier for the dogs to play with each other (and the humans to make it happen).