Where does the saying your as ';Daft as a brush'; come from?

Check the sourseWhere does the saying your as ';Daft as a brush'; come from?
I found an explanation which I think is a maybe---the Victorian chimney sweep!


It seems that children were first used as sweeps since the skilled child was small and could easily work his way vertically through the confined space, clearing blockages and removing the build up of soot by hand.


While in training the apprentice was sometimes dropped head first down the chimney which caused severe cerebral damage. Hence the phrase.Where does the saying your as ';Daft as a brush'; come from?
It seems that children were first used as sweeps since the skilled child was small and could easily work his way vertically through the confined space, clearing blockages and removing the build up of soot by hand.


While in training the apprentice was sometimes dropped head first down the chimney which caused severe cerebral damage
lancashire originally but I don't know the story behind it. i do think it could be to do with chimney sweeps.