In 1993, someone thought people "would enjoy having a desirable flavor imparted to them when they chew or suck upon the ends of the temple arms of their eyeglasses." He patented the flavored eyeglasses boot!

The Greatest Glasses-Related Invention Never Made

See, you put that little nub over the end of your eyeglasses' arms and it would taste nice. Proposed flavors include fruit, jalapeno and cinnamon. If this invention existed, we would have never switched to contacts. [Microkhan] (via The Rumpus)