post #27018

A white cane is used by many people who are blind or visually impaired. Its primary uses are as a mobility tool and as a courtesy to others, but there are at least five varieties, each serving a slightly different need.

https://en.wikipedia.org/wiki/White_cane

Trivia

• In some US states, it is "illegal for a person who is not legally blind to use a white cane to gain right-of-way while crossing a street." (Source: https://www.perkins.org/10-fascinating-facts-about-the-white-cane/)