Can't stop your stubborn puller? Don't lose your heart, try this choke chain collar from the German brand Herm Sprenger. It will let you have more control over your doggie and put an end to his/her behavioral problems.

This collar has a well-thought styling. It consists of a chain with 1/9 inches/3.0 mm link diameter and two O-rings with the Herm Sprenger quality stamp.

This training collar is designed for dogs with long and fine fur. It averts pulling out, tangling and breaking of the hair. The collar makes less influence on the dog's hair thanks to long links with the smooth and polished surface.

This slip collar is 24 inches/61 cm long. It will fit for dogs with a 21-22 inches/53-55 cm neck circumference.
How to measure your dog for the chain collar:

Measure 1) the largest part of your dog's head, and 2) the middle of his/her neck.
Determine the size of the collar you need using your dog's head measurements if your dog's head is larger than his/her neck.
Determine the size of the collar you need using your dog's neck measurements if his/her neck is larger than the head.
Now add 2" to to the above measurements (head or neck) for larger dogs and 1" to 1.5" for smaller dogs. This is the size collar you will need.

Being made of black stainless steel, the collar is as durable and sturdy as the stainless steel one, but it is much more resistant to rust. The collar will not corrode even in the conditions of seawater or high humidity.

NOTE!
This black stainless steel collar suits for dogs with dark fur and those canines who are not reactive to nickel.
The collar made of black stainless steel is not advised for dogs with light coat, because they may color fur as the result of natural abrasion processes.