The concept is an incredibly simple one but the implications associated with the use of the NOTEX Wristband are incredibly helpful to a sizable population of India. It's a steel slap band with a black outer coating. It looks like a simple, modern, unisex bracelet but its function is much more important.
You can unfurl and flatten the curled cuff to find a series of four kinks in the material towards one end. The visually impaired could come to learn how to use Charandeep Singh Kapoor's invention much quicker than the techniques that they've developed to identify cash. Each of the braille-less Indian rupee bills are different lengths and the NOTEX Wristband acts as a convenient mobile ruler to distinguish them.