There are several kinds of shock collars. Some give a shock that is triggered by the vibration of the dog's throat. These are used to discourage barking. Others are part of an electric fence system; a few beeps warn the dog as it approaches the invisible fence, and then shocks him if he crosses the barrier. Then there are remote control operated shock collars. Most collars of this kind are used by "gun" dogs who accompany their owners on hunting expeditions. weblink dogshockcollarsreviews.comShocking a dog while he is doing something he thinks is fun -- something they've been bred to do for thousands of years -- seems particularly cruel, since it can forever link that pleasurable thing with the fear of an occasional unexpected jolt. What's more, there is a degree of imprecision when training any animal, especially one that doesn't speak your language. You might be shocking for one thing (barking, say) but the jolt comes just as your dog steps on his dog bed. You might have just deterred him from going to his bed, but he thinks barking is safe. What if he barks just as the shock stops?
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