Mine is the early Air Zounds horn, I don't have it mounted on a bike right now, it's a paint to move from one bike to another, so for the most part I've stoped using it.
The type of horn that Jean is using is better then the Air Zounds horn. It works in the cold better then the Air Zounds.
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Bentbaggerlen
"When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking." - Arthur Conan Doyle