Doggy doors are very important in any dogs owner's house as they can give your pet the ability to go to the backyard whenever they want. However, you can also close it whenever you want in case that you do not want your dog to leave the home.
Anyway, naturally, dogs do not know how to use the doggy door despite being very simple. But the truth is that dogs should be notified about the doggy doors.
So, when an adorable pup has not noticed the doggy door yet, his big doggy sister decided to teach him how to use it. Luckily for us, what happened was all caught on a video! Watch the video below.
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