one more thing:
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Thank you for writing about our organization. As a volunteer for the Coalition to Unchain Dogs, I have had the opportunity many times to see caretakers change once their dogs are inside a fence. Often when dogs are chained, the caretakers only see the dogs' frustration and desperation. Seeing their dogs running and playing inside a fence allows them to see them as living beings with personalities. On many occasions we have seen caretakers start bringing their dogs in the house and taking them on walks after receiving a fence. I had no idea when I started with this group just how much potential there is for improving the caretaker/dog relationship just by building a fence for the dog. It is truly the most rewarding work I've ever done.
Here is a link to one of my favorite caretaker/dog stories (Click HQ for better quality):
http://www.youtube.com/watch?v=H30JFW9-0cw