When the squares are green, the hanger is good to go. When they are red, it means you need to look elsewhere. Adityaraj Dev's design is simple and functional. I'd love to have these hangers in my closet.
Implications - Hangindicators will help you avoid confusion when pulling from your closet. And forget accidentally pulling that used hanger and causing all your clothes to fall at once, the little green or red lights will save you the hassle.