KONG TagALong attaches to the leash making it easy to always bring a ball along for fetching fun. Unique grippers on the inside of the TagALong toys opening secure it to both rounded and flat-sided leashes securing the toy to the leash when out on-the-go. Pull the KONG TagALong off for play and this bouncy ball launches dogs into tons of healthy fetching, satisfying natural chasing instincts.