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Title: Makes running with the dog much easier
Review: This works great for our 45 pound herding dog mix. (Border collie - Aussie shepherd? We're not sure.). It seems plenty durable, and the auto retraction mechanism works great. Our dog managed to drag it on the beach once and fill it with sand. I thought it would never be the same again (it was distinctly gritty sounding / feeling for a day or so), but all the sand shook out, and it's as good as new.
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