A well-fitted collar is a basic safety accessory for any American Curl, even if your cat lives exclusively indoors. Breakaway collars — designed to release under pressure if the collar catches on furniture, branches, or fencing — are the only safe collar type for cats. Standard buckle or snap collars can trap a cat and cause strangulation, so they should never be used. The collar should be snug enough that only two fingers fit between the collar and your cat's neck.
Harnesses open up the possibility of supervised outdoor walks and controlled exploration for American Curls that enjoy being outside. The best harness designs for cats use an H-style or vest-style configuration that distributes pressure across the chest and shoulders rather than the neck. Cats are notorious escape artists, so look for harnesses with adjustable straps at multiple points and a secure closure system. A properly fitted harness should be snug without restricting breathing or movement.
Leash training an American Curl requires patience and gradual introduction. Start by leaving the harness near your cat's resting area so they can investigate it on their own terms. Progress to brief indoor wearing sessions before attaching a leash, and allow the cat to lead the walk rather than directing them. Not all cats take to harness walking, and that is perfectly fine — forcing the issue creates stress rather than enrichment.
If your American Curl will wear a collar regularly, attach a lightweight identification tag with your contact information. Even indoor cats can escape through an open door or window, and a visible ID tag is the fastest way for a finder to contact you. Combine the collar tag with a microchip for comprehensive identification coverage.