Doggy Doors - Is That a Coyote?

Bob Greene says he built a dog r re on your og h. It took me a year, i'm not kidding. And the dog, my dog, who's no o longer with us, i think he died, as a result of this experiment. He has a magnetic collar that would unlock the door so that a coyote couldn't get in one side,. But it would unlock it so he could go out, right? And the collar would let him come back. But not a coyote, unless it had him in its mouth. Then he a wouldn't go out of this door. So in a year, with five coats of primer and five coats of paint and all