\'Definitive\' List of Legionary\'s Belongings

[Nathan Ross]

I did not know about the latin term atriensis detergeo

I suspect it was invented by whoever wrote the article! an atriensis or 'atrium attendant' was a house entrance keeper. I've never come across any reference to them working in toilets...

Are their really ancient sources, which confirm, that these sticks were shared?.

The only source that mentions the (in)famous sponge stick at all is Seneca, in his anecdote about the German prisoner of war killing himself by ramming one down his throat. The anecdote implies that these were common implements, but doesn't tell us anything more. Nor does it mean they were universally used.

Investigation of the sewers of Pompeii and Herculaneum has produced no sponges, or sticks. Instead it seems the people there used rags, leaves or even shards of pottery (!) to, erm, clean up with...