More proof that there's always room for design improvements, even in the most established of objects. The humble doorknob hasn't changed much since its invention, with the exception of lever-style knobs that ease operation for those with grip issues. But Brinks Home Security has designed an innovative line of doorknobs that considers how people actually use them, meaning when their hands are already occupied. Check these out:
You can learn more about BHS' Push Pull Rotate line, as it's called, here.