Any experiences of mirrors on bikes?

[Clandy]

Zefal Spy, perhaps?

That's the one, I couldn't remember the brand. Thanks.

 

[Jakaan 1984]

I've got a mirror on my commute. Topeak bar' n mirror from Giant, bit expensive came in a pack of two,
only use the one, occasionally. I tend to use my good old senses to the max' if in doubt I
just pullover till it's clear.