If you're worried about it, don't do it. End of problem.
(Seriously - any answers you get from players will be no better informed than your own opinion/guesswork, because Jagex never discuss how their detection systems work. For the same reason, you won't get a Staff response either.)
~~~~ Just another victim of the ambient morality ~~~~
~~ Founder of the Caped Carousers quest cape clan ~~