One of my favorite things in the world is stumbling across a design that’s both creative yet so painfully obvious, it makes me wonder why nobody thought of it before. A staircase handrail serves two important purposes. It A. acts as a barrier between flights of stairs, so you don’t accidentally fall over and hurt yourself, and B. more importantly, it gives you a resting platform for your hands, allowing you to take support as you climb down. Here’s my question. What if you co