I think calling out "you dropped your cell phone" is probably more effective than "on your left"

Either that or keep a few round rocks in your pocket, and roll one or two toward them on the path as you approach.

Or sneak up behind them with an airhorn.

Or just come up real close behind them and stay right there, creeping along. Start singing softly, then louder. A Barry Manilow song will do. "I am music, and I write the SOOONGGSS!!" I bet they'll move.

If anyone tries that last one, please please please post it on Youtube. Or Vimeo if you prefer. I am almost LMAOSTHDDCSOMN at work right now just picturing it (Laughing My A%% Off So That Hot Dunkin Donuts Coffee Shoots Out My Nose)

I LOLed. That would be pretty heavy for a bike, but then again, so useful. Do they make them with spikes too?

^^^ only for cars, very useful for arrogant cyclists who stray to far into the lane

Please don't give them any ideas!!! I take the lane occasionally. LOL

They smell like teen spirit. I carry vials of pheromones that I toss when faced w/ the OP's situation. Works for me.

Call us in 10 years and let us know if he still knows, esp when he's hanging w/buds.... :roflmao2:

They make them out of titanium now. I've got one hanging off of my Schwinn. Works like a charm!

I am holding out for the carbon fiber version.

You know have been mulling over in my head whether or not to put my auto airsoft on a swivel mount on the front of my bike. XD

I am sure Aventir is working on a carbon fiber verison of this as we speak.

From experience on a fixed gear, a little skid when you're close behind them works 100 times better than any amount of "passing" or "on your left" Of course an air horn would be even better.
I think that they do hear you, but they're trying to be cool by not moving over, since I have had a few instances of oncoming groups doing this too.

Squealing brakes work good too.