Fit the collar
The trainer should be fitted so that the contact area presses firmly against the dog's skin.
When properly fitted, you should be able to fit a finger or two snugly in between the collar
and the dog's skin. When properly fitted, the trainer should not move on the dog. The best
location for the trainer is either side of the dog's windpipe.
A loose fit can allow the trainer to move around on the dog's windpipe. When this happens,
the contact area may rub the skin and cause irritation. If the trainer is too tight, the dog
may have difficulty breathing.
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