Most american males would not think of a device to notify that someone is standing in front of your door when reading or hearing the word "Knockers". The thread title was very misleading for me <s>.
>Bored here!
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>Another one from the series "Getting to know you":
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>Do you Americans usually not have a door knocker? Whenever I see someone calling on someone in US TV or movies (e.g. a cop), they're always forced to rap on the front door with their bare knuckles. This must be a pain, literally, if they've a lot of doors to knock, e.g. cops canvasing for witnesses.
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>Just curious, and it's not my imagination.
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>While on the subject, what's with those front doors with the three square windows, arranged diagonally across the top of the door? Lack of privacy or what?
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Semper ubi sub ubi.