Outdoor Cat Safety: Top Ideas for Safe Feline Fun Drs. Foster * Smith Educational Staff Many cat owners keep their cats indoors to keep them safe from traffic and other animals or because their cats are older and age is catching up with them. But, how many times have you caught your cat trying to escape out an open door or shooed her off a windowsill after she's jumped there to get a better glimpse of the great outdoors? Give your cat the best of the indoor and outdoor world without sacrificing safety. Here's how: KITTYWALK SYSTEMS® give your cat the freedom to be outdoors, but not escape. Industrial strength fishnet and metal wickets keep your pet safely contained and protected. Interlocking systems can be used alone or snapped together for additional exploration space.