http://www.amazon.co.uk/Airzound-Rechargeable-Horn-worlds-loudest/dp/B000PTIJB8/ref=sr_1_1?ie=UTF8&s=sports&qid=1219243270&sr=8-1

 

Worlds loudest horn?

Refillable using a bicycle pump or compressor

Might have to get one of those

mamos

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carpe scrotum

If you didn't build it, you don't own it.

THEY'RE VERY VERY LOUD. I tried one in the shop a while back. <Muttley snigger>

Any product with a cartoon drawing of an old man having a heart attack whilst being blasted by said product, on the package is something to be wary of.

 

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She who succeeds in gaining the mastery of the bicycle will gain the mastery of life.
– Frances E. Willard, How I Learned To Ride The Bicycle, 1895


The follower of singlespeeding
is at one with his bike.

Cool

That has convinced me. I'm gonna get one oh and a head cam

mamos

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carpe scrotum

If you didn't build it, you don't own it.

I know a guy who scared a car into a curb with his.  I quote "THEY'RE VERY LOUD!"  We walk outside to show customers how they work.  But they are the best for city commuters. 

Don't think I'd use one on the trail to warn people of my approach though

 

I want it for my daily commute

I have just bought a helmet cam for the same reason

Ordered it yesterday afternoon from ebay and got it this morning

mamos 

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carpe scrotum

If you didn't build it, you don't own it.