[strangegecko]

I'm pretty sure that is advice from the last millennium that is no longer taught.

[fragmede]

Specifically, the two reasons that it's no longer taught is that 1) rushing to get under a doorframe caused accidents 2) doorframes are no longer reinforced the way they used to be.

[fennecbutt]

I suppose it must be dependent on country.

I'm a kiwi and that's what I was taught. We're also ring of fire dwellers.