I'm not sure, Rover.I was just going to write what wandle wrote: white stick.
I'd say your blind British acquaintance is using cane in deference to AE usage.
You watch too much footie, Mrs"White stick", to me, now has overwhelming overtones of football supporters yelling "Where's your white stick, ref?"
He may well be. He knows I'm a Yank and was working for a U.S. company when I first met him. We talked on the phone to set up a breakfast meeting in London. I didn't yet know that he was blind. Part of our conversation went like this:...I'd say your blind British acquaintance is using cane in deference to AE usage...