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Back when I was a teen, we had an half Irish setter, half Labrador retriever, we also had a teacup poodle, the poodle figured out the big dog could let himself into the back yard by hitting the latch with his paw, when she needed to go out side, she would go to the big dog and turn circles until he headed to the door, he would hit the latch with his paw and let her out, when she scratched to get back in he would dutifully go and let her back in!
Yes he was a great retriever!