chapterhouseinc:i liken this to a payphone.....
Not likely,
- I don't carry a portable toilet with me as I do a cell phone. 
~ Many places post :
WASHROOMS FOR CUSTOMERS ONLY! 
Jeremy didn't like my "Unique Manhole Cover" category either, at the beginning, but changed his mind about them after I posted some examples.
Take a look at these
Japanese Manhole Covers. by lotusHishino & YONEYAMA