All of the above, especially if you live close to the beach.

MickR said that he uses "dunny paper" to dry his razor.
I'm sure that's a good idea, but I had no idea what
"dunny paper" is, so I had to look it up in Dagree's Great
Aussie Slang Dictionary.
Dagree's Great Aussie Slang

Now I know what it is: it's the paper you use when
you're "dun".

Right, Mick?