Could lose the best part of my beard!Very risky. It's only a matter of time before you get the angle a tiny bit wrong, a gust of wind moves the flame or you hold the jet too close.
I forgot the most important thing. It's hard to accurately guage the center of a one inch diameter target that's suspended 5 or 6 inches from your eyes. I'm lucky to get close enough not to scorch the rim using a match.