A prong collar is a pretty odd-looking device. It resembles something you’d expect to see in a horror movie. Despite its graceless appearance, pinch collars are safe and efficient when used properly.
A prong collar pinches dog’s neck with its prongs when a dog pulls or when the owner tightens a leash to put its action with an intention to stop a dog doing somethign wrong. This way of action resembles the way a mother dog does with her puppies. It does NOT damage the trachea when properly used.
Herm Sprenger prong collars have safely polished, round pins.
If the collar size is chosen and adjusted properly, you will get quick resuts in dog behavior correction and training.
It is important to wear dog pinch collar in the right area, that is exactly under a dog's jaws. This way it will not damage the trachea.
Consult an experienced dog trainer or behaviorist when you start training your dog with a prong collar.