Big Boxer. Thru the years, various trainers, vets & in articles I read, it’s been recommended to choose a metal ‘Choke’ type collar or chain with med to large size links. Small link chains often look better on your dog & feel better in your hand! However, the small links tend to snag, pinch & pull their dog hair. You may not notice your Pooches discomfort but Vets say years of wear can leave skinny balding lines & red bumps where hair has been pulled. So opt for larger links or a different “No P