Herm Sprenger Chrome Quick Release Prong Training Collar 2.25mm is the finest prong you can buy. It does not smash down or break the dogs hair around the neck. You can add or remove links to fit any breed of dog.

Quick Release is easy to use as the picture will show, you do not have to pinch the prongs together in order to take on or off the dog.

The ends of the Prong are rounded, not sharp and has a swivel. It is made from the finest German Steel and then chrome plated which insures there will be no rusting.

size 2.25mm up to 14 in neck 

Prong/Pinch collars are for training and not to be left on the dog for everyday wear.

extra links are available