We have all seen pet owners with too large/tight of prong collars on their dogs. Here, Jennifer shows you how to put a prong or pinch collar on your dog. This video covers instructions to put it on and size it properly in preparation for obedience training. It's a humane and effective tool when used properly. For dog training, visit Dynamic Dogs Chicago www.dynamicdogschicago.com The brands of training collar are Herm Sprenger, and Titan. We do not recommend you use pet store brands that may not have safely rounded tips.