A person that is using a cane is most likely an elderly person which means, not a great eye sight. It is very dangerous for a elderly person to be walking outside specially at night. This cane with an attached flash light that comes out its and incredible tool that can help make the life of a disabled person much easier by allowing them more freedom especially at night.
A small flashlight (at dollar store $2)
A thick wire 10 or 12 gauge solid (you can get this at any home depot)
A plumbing clip on ring ( also can get at any home depot depending on the cane size)