Just now, I went for a walk in the company of
some steel wire and a magnet.
I checked 50 bikes and 10 hade
non-magnetic handlebars.
The non-magnetic handlebars were on MTBs or
more modern-looking bikes.
(To do the same thing with only the naked eye
would have required a shaman of the
first order.)
--
underground experts united
http://user.it.uu.se/~embe8573