ORIGINAL: puffer
If you wait for your car to idle down and then touch the flywheel with your finger, it should stop almost instantly. You won't hurt your finger, or lean out the engine (pinching fuel line) or pack it up (plugging stinger) and so starting the next time will be very easy, relatively speaking.
One tip I would suggest, is to notice the direction of rotation of the flywheel. When you put your finger on the flywheel, make sure it is going with the direction of movement, rather than against it. Try this for a visual: Think about a bicycle upside down and you spin the tire really fast. If you put your finger on the tire in the proper direction (spinning away from the finger), your finger will just rub against the tire as it continues to spin. If you place your finger on the tire in the other direction (spinning towards your finger), and you catch part of the tread, OUCH!!.
Works for me. Good luck.
The first time you try it is a little scary, but once you've done it, you'll realize how easy it is.
imho. Easiest way to stop motor is by plugging stinger. Especially if you have an exhaust deflector. Second easiest is stopping the flywheel. I believe the best way to stop the motor is by stopping the flywheel. Mine always restarted better and easier this way.