Devon Rex cats have slender necks and narrow heads, which makes collar fit particularly important. A collar that is appropriately snug on most cats may slip right over a Devon Rex's ears. Look for adjustable collars designed for small or petite cats, and always use a breakaway safety clasp that releases under pressure to prevent choking if the collar catches on furniture, branches, or other objects.
Harnesses are a better option than collars for Devon Rex cats that go on leash walks or spend time in outdoor enclosures. The escape-artist tendencies of this breed make a standard figure-eight harness risky — they can wriggle out of loosely fitted designs with remarkable speed. Vest-style or jacket-style harnesses that distribute pressure across the chest and shoulders provide more secure containment and are generally more comfortable for thin-coated breeds.
When leash training a Devon Rex, start indoors with short sessions to let the cat acclimate to the harness. Most Devon Rex cats accept harnesses faster than the average cat, thanks to their sociable and adaptable nature, but patience is still required. A lightweight, non-retractable leash of four to six feet gives you control without overwhelming the cat with too much slack or too much resistance.
For indoor-only Devon Rex cats, a collar with an ID tag remains a prudent safety measure in case of accidental escape. Even microchipped cats benefit from visible identification that a finder can read immediately without needing a scanner. Lightweight tags that lie flat against the collar are less likely to snag or irritate a cat that is unaccustomed to wearing accessories.