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You can’t explain to a dog after the fact what it has done right or wrong, and an e-collar lets you correct the dog in the act. Used correctly, e-collars are invaluable training aids. Bark collars and ...

Yes, that is me, a shotgun columnist telling someone an e-collar is more important than your choice of guns. It’s not just the GPS models that have changed dog training forever, it’s all e-collars.