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Komando picks

DIY car horn provides a friendly beep

Sometimes we beep our horns out of anger. But other times it’s just a friendly signal or even a way to say thank you. This engineer decided to create a horn for every scenario. Would you want a horn like this inside your car? Watch how he rigs together a horn that makes different sounds.

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Stop robocalls for good with Kim’s eBook

Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.

Get the eBook