Originally Posted by
MattTheHat
This shocks me. When I say "on your left" very high percentages of people apparently hear that as "move left" because that's what they generally do. So I stopped announcing for a while and just relied on slower speed and getting as far over as I can.
Recently I've been saying "coming around" and that seems to work much better, but some still move to the left and whip around in confusion.
I say "passing on your left". Putting the verb in seems to help. I think "On your left" is inherently confusing, and even "I'm on your left" would be better.