Get this micro plus Herm Sprenger 1.5mm prong collar made of inox (stainless steel) for dogs with weight up to 30 lbs (13.5 kg). Its tensile strength is enough to manage a temper of this type of dogs of small and medium breeds.
A micro plus Herm Sprenger prong collar will help you to get great results in training easy and quickly. A prong collar for dog training does not require much force to apply. You just make a slight pull on a leash to make it pinch dog's neck. That makes a dog understand that his action is wrong and to stop it. As it is based on natural instincts of dogs in a flock it resolves dog behaviour issues efficiently.
How to use a dog prong collar correctly? First choose the right prong collar size for your dog. It should be 2 in larger dog's neck circumference. Also wear it right under the dog's jaws on the top of a dog's neck. Note that the center plate should be placed right in the center in the front of a dog's neck, to protect its trachea from prongs. Also the links with prongs are to be arranged symmetrically, equal number of links by each side of the center plate.
A Herm Sprenger 1.5mm prong dog collar micro plus has a smooth martingale chain that works promptly to tighten and release. An advanced design with a swivel ring makes it safer to prevent leash tangling.
Don't put on a dog prong collar over head neck unreleased, it may injure dog's eyes. You should unfasten a lock, take it on a dog, and than adjust it again.
Stainless steel or curogan dog prong collars usually do not leave marks on white or light fur as they contain no or a small amount of nickel. But still there is no 100% warranty that it won't leave marks on white or fair fur color.
The standard size of this Herm Sprenger stainless steel prong collar is 13 inches (32 cm). It consists of 10 links. A correct dog prong collar size should be 2 in larger than a dog's neck, so it will suit 11 in dog's neck. For a smaller/larger size remove or add extra links.