Why Collars Slip Off Narrow-Headed Small Dogs
Flat collars slip off narrow-headed small dogs because the skull is no wider than the neck. Compare slack rules, breed standards and UK collar law first.
collar fit
Why Standard Collar Sizes Don’t Fit a Chihuahua
Standard collar sizes convert body weight into a neck size, and that guess fails a Chihuahua. See what the AKC, British law and collar pressure research show.