Allows correction by pulling directly upwards. It gives correction without choking when a more gentle approach is needed. The upper chain makes noise when pulled on to give an audible correction, while the nylon collar tightens without choking. Measure the dogs neck for a correct fit. Use a string to measure around the dogs neck, mark where it joins and then lay flat to measure. The collar is adjustable from 9-15″ and will open an extra 4″ to allow it to pass over the dog’s head.
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