Every Brazilian Shorthair, even a strictly indoor cat, should wear a collar with identification as a basic safety measure. Breakaway collars are the standard recommendation for cats — these feature a clasp designed to release under pressure if the collar catches on furniture, branches, or fencing. A non-breakaway collar on an unsupervised cat creates a strangulation risk that no identification benefit justifies.
For Brazilian Shorthairs that will be walked outdoors or trained on a leash, a properly fitted harness is essential. Cats can slip out of collars with alarming ease, and even a well-fitted collar places dangerous pressure on the throat during pulling. H-style and vest-style harnesses distribute force across the chest and shoulders, and the Brazilian Shorthair's medium build is well-served by either design. Measure your cat's girth carefully and select a harness with adjustable straps to achieve a snug fit without compression.
Leash training is a realistic option for the Brazilian Shorthair given the breed's intelligence and willingness to engage with owners. Start with short indoor sessions using a lightweight leash, allowing the cat to drag it under supervision before you begin guiding. Progress to enclosed outdoor areas before attempting sidewalk walks. Retractable leashes are generally discouraged for cats — the sudden stop mechanism can startle the animal, and the thin cord can tangle around legs or other objects.
Reflective or LED-equipped collars and harnesses add a margin of safety for cats with any outdoor access, particularly during early morning and evening hours. Even cats in enclosed outdoor spaces benefit from high-visibility accessories, as they make the cat easier to locate quickly and can alert wildlife or neighborhood animals to the cat's presence.