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Emilio Zieme Nickel, we'll see over time.
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Milda Ryan Perfect
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Jay Towne fast in shipping. It works very well.
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Mose Swaniawski Price-quality ratio is good, works fine but has some glitches. Be sure to read and watch video tutorials before use, don't traumatize the dog's psyche! This collar is definitely suitable for working with vibration and signal, but for negative reinforcement with a small impulse, I don't think so. While adjusting the vibration power, the collar vibrated (it shouldn't have), and I think the current also glitches sometimes, so I installed plugs.