Maybe scratching
TWO Di450 drums in a row
Or the best one..
I was in the middle of a pathology lab, doing a dev change on a Toshiba 2060... I tipped the old dev, cleaned out tank and such... OK
Then I shook the dev bottle... OK
Then I removed the dev bottle lid - and sat it on top of the bottle untightened... OK
Then I shook the bottle again.
Chimney sweep.
And it was my birthday. Had to drive home with no shirt on (itchy!).