Sound beam aimed at person in the way. | Hacker News

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		mememememememo 52 days ago \| parent \| context \| favorite \| on: Škoda DuoBell: A bicycle bell that penetrates nois... Sound beam aimed at person in the way.

wateralien 52 days ago [–]

Bell costs more than the bike is ok?

mememememememo 51 days ago | [–]

Bike is optional extra

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