Do you wear your kill switch lanyard??

Bodysnatchers thread got me thinking...
Do you guys actually wear it, or does it just hang there. I wear mine every time my boat is under power, unless I am moving to get back on my drift. I learned my lesson one time. I let go of the wheel for just a second to turn around and check something and just about got bounced out of the boat. I had a bunch of folks on board that were inexperienced boaters, so I would have been SOL. After that I always clip mine on. I actually would have no problem if they made it a law that the Captain had to wear it. Especially as fast as these boats are now.
I came across the Gandy bridge a couple years back and there was a boat doing circles out there with no one on board. Luckily I saw FWC on its way to it