Once you are ready, shampoo or wash the coat and skin of the dog with the dog shampoo. (dog-grooming-training.com)
When the control loop is pulled, the prongs pinch the loose skin of your dog's neck. (humanesociety.org)
Dogs need to be bathed with shampoos that are alkaline in nature and human shampoos are marginally acidic, which could harm the sensitive skin of thee dogs. (usbones.com)