Johnson’s has come up with a bottle with a whole new twist. Johnson’s new Healthflow Twist-and-Lock is the only disposable bottle that helps you feed your baby in the semi-upright position, to help reduce the flow of fluid into the middle ear, which can help prevent ear infections. Johnson’s Healthflow Twist-and-Lock- it does what no other disposable bottle can do. The new Johnson’s Healthflow Twist-and-lock.