Get an x-large Herm Sprenger prong collar to manage the power of your strong dog. The 4mm Herm Sprenger prong collar wire gauge is intended for large dog breeds with weight up to 154 lbs (70 kg).
A 4mm prong collar by Herm Sprenger is a safe, professional, and effective tool for dog behavior correction, obedience training, and to manage the temper of a powerful dog easily. How does a prong collar work? Slight pinches of prongs act naturally when you tighten a leash. Their action resembles the teeth of a mother-dog and a dog reacts immediately. Just make a light pull on a leash to make the prongs work and a dog understand that his action is incorrect.
This Herm Sprenger collar size is a great choice for large dogs and a prong collar for XL Bully types, Mastiffs, American Bulldog, Landseer, Newfoundland etc.
It is important to use a prong dog collar correctly for dog safety and maximum efficiency. Choose a prong collar size 2 in larger then a dog's neck size and wear it right under the jaws at the upper area of a dog's neck. Be sure that the center plate is just opposite dog's trachea and there is a symmetrical number of link on each side for a balanced fit.
Don't put on a dog prong collar over dog's head unreleased, it may injure dog's eyes. You should unfasten a lock or a link, take it on a dog, and than adjust it again.
Chrome plated metal may leave spots on light fur. For dogs with light fur you may choose stainless steel or curgan prong collar types. They do not color light fur in 9 out of 10 cases.
The standard size of this prong collar for large dogs is 25 inches (63 cm). It consists of 10 links. The collar size should be 2 in larger than a dog's neck, so it will suit 23 in dog's neck. For a smaller/larger size remove or add extra links. One link adds 1.6 in (4 cm).
