A long<unk> , the primary mobility tool for the visually impaired A<unk>  is a device used by many people who are blind or visually impaired. A<unk>  primarily allows its user to scan their surroundings for obstacles or orientation marks, but is also helpful for onlookers in identifying the user as blind or visually impaired and taking appropriate care. The latter is the reason for the<unk> 's<unk>  colour, which in many jurisdictions is mandatory.
White cane
Charley horse
Cowlick
Wellbee
Hairball
Squawk 
Greenpilot
Crutch