A quad cane is a mobility device that aids walking and mobility. It is similar to a standard cane, but it has a metal base on the bottom with four small feet that extend off the base. These feet have rubber caps that help reduce slippage on the floor. Quad canes are usually made of lightweight aluminum and are adjustable with a small push button.
Read more at http://physicaltherapy.about.com/od/Physical-Therapy-For-Seniors/a/Quad-Canes-To-Help-With-Walking.htm
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