What makes you say this?
Collars can Kill.... i dont work mine ever with one, in the pre ban days...... the only collar we used was a very small up the neck and tight behind the ear jobby.
I have seen many whippet types wearing those triple strap collars...... why a fashoin fad
Like wise i dont turn horses out with head collars on........... experience taught me such
I know blokes who've ran dogs collared up for 45 years and never had a collar related accident.I like running dogs with a collar on. Just personal preference.
I would rather we stuck on topic ............ that ca