Yes, I would Def not recommend poking at a spinning flywheel with ANYTHING! Controlled pressure on the outside of the disc is the way to go.
Here is that pic btw...
The first thing that popped into mind when I saw this was the thing that Dr's use to whack the nerve in your knee. Has a handle on one end, rubber(ish?) nub on the other... :doctor::nurse:
http://topics.info.com/What-is-the-instrument-a-doctor-uses-to-check-reflexes_150
@Greywolf74 , to me...