Martingale collars are designed specifically for dogs with heads that are smaller than their necks. These collars gently tighten against the dog’s neck if they pull, back up or spin. It is typically worn by greyhounds, whippets, Italian greyhounds, salukis, borzoi and wolfhounds.
Choke collars are used in many of the same training situations as pinch collars, for the most part in maintaining composure outside the home and with aggressive dogs. Choke collars can be helpful with larger dogs or dogs with aggressive tendencies; again they should not be used on small or fragile necked breeds….
Sonic collars are a type of no-bark training device that emits a high-frequency noise — only detectable to your dog — to deter barking. Here are a few pros, cons, and our pick for the best sonic dog collar on the market today…