Collars

Although many cat owners like their cats to wear collars for identification purposes, they are not without risk. Even quick release collars can get snagged on branches and injuries can occur if a paw or limb becomes trapped in the collar. Some cats also experience allergic reactions to the materials that collars are made from. A microchip is a pref...
Found on http://www.cats.org.uk/cat-glossary/

Collars

USA term synonymous with neck rings.
Found on http://www.glamorganantiques.co.uk/glossaryglass.htm
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