[nagdu] Correction callers

af032010 at gmail.com af032010 at gmail.com
Mon Jul 28 11:24:51 UTC 2014


Hello, I noticed in previous post people talking about correction collars. I am just curious what the differences between the chain collar that typically schools give out with the dogs, and a correction collar. What is the difference? Where the pros and cons? I am just curious.


السلام عليكم 
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