I've been wondering about these for dealing with that issue - anyone have any experience with one? http://deltacycle.com/airzound-horn http://deltacycle.com/ai

I've been wondering about these for dealing with that issue - anyone have any experience with one? http://deltacycle.com/airzound-horn http://deltacycle.com/airzound-horn Heck, I'd appreciate having a version for pedestrian use, too, sometimes.