In this Aug. 8, 2012, photo, Chryses, a Belgian Malinois, walks the Jog-A-Dog treadmill as part of a demonstration in the enrichment center at LA Dog Works in Los Angeles. The Jog-A-Dog is an industrial model used for professional purposes, unlike the DogPacer, which is meant for home. (AP Photo/Grant Hindsley)
Read the article: Dog treadmill sales brisk as pets shape up
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