Have one on hand before the Emergency!
I was having some sporadic knee problems, so I bought this cane to have in my suitcase on an overseas trip, in case I needed it. It provided wonderful peace of mind and was easy to store, but I didn't end up needing it. A close friend on this trip was in much worse shape with a bad knee. She didn't want the stigma of using a cane, but when she saw how cute and easy to use my cane was, she loved