While Harris Tweed is soaked in urine to soften the wool. Alum was made
from processing ores in vats of urine; (one is led to wonder at the
inventive process). Some contraceptive pills are derived from interesting
sources.
Perhaps if anglo saxons and others did not have a history of lavatorial
humour we would not laugh at these things or find them worthy of note.
But we do .
It does not help to be po faced about it.
Terry King