Like the dog idea. A well trained beast is a joy, but the initial and sustainment training can be daunting. With the trend to theapy dogs, and emotional support peacocks, I doubt anyone will bat an eye. And a trained dog is necessary, if protection is a goal. 95%+ of the dogs out there will not protect owners, no matter what the imagined bond and trust levels are like. They likely won't have the nerves, or psychological makeup to do it, and they have likely been taught since they were puppies not to bite. A bunch of "protective" behavior is simply posturing, in an effort to avoid the fight. It is not fair to expect a dog to "rely on its instincts" to protect a person, paricularly at the risk of injury to itself. In nature canids do not frequently fight with other species. They fight among themselves for relative ranking, and those fights are rarely injurious, let alone fatal. Posturing and timely submission are the hallmarks of intraspecies fighting. They prey on smaller animals, and try to avoid pissing off larger ones. I would go so far as to argue that there is little instinctive behavior that makes a dog protect a person. Much of it is posturing, panic, and desperation. Some dogs will do it, just like some people will "rise to the occasion" of a self protection situation. A vast majority will default to their level of training. And zero training is zero training.
A close friend of mine, who has known my working dog since he was about 9 weeks old commented a few years ago that he believed my dog would protect me. At the time my dog had only bit bite pillows, tugs, and bite sleeves. Those were all visual cues that he had pemission to bite, and biting rules applied. I was under no such illusion. Even a decent sports dog will get confused the first time it is offered a leg sleeve, let alone being offered a body bite. They have to be taught the rules of biting and frequently they need a couple of bites giving them permission to take something other than an arm.
ETA: If deterrence, rather than protection is the goal, then most of what I posted is null and void. But if deterrence is the goal, do not expect the dog to protect.
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Coyotesfan97
In the same vein, I get a kick out of people who tell me that a woman should not carry a knife (fixed blade) for defense, because it will be taken away from her and used against her. Training is preferred, but desperation and panic can work. During that askhole discussion I offer the woman an uncapped marker and challange dude to take it away from her without getting "cut" to hell and back.
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Cecil Burch
pat