Originally Posted by
mgw4jc
Had some head winds going home last night. This morning they seemed to be more cross wind than tail. Very light rain/mist kept me cool for the first half of the ride. Then it was just a nice ride overall.
Just after climbing a short, steep hill, I shifted from low to high in the front and the chain went on over and onto the crank. Without stopping, I reached down and lifted the chain, slowly spun the crank and the chain went right back on. I'm so talented with my grease stained fingers.
You may have already tried this trick, but what often works is to shift back down to low and keep pedaling. The front derailleur will then pull the chain back onto the rings. No greasy fingers.

Works the opposite way too if you drop the chain off the lowest ring; shift the front derailleur into high and keep pedaling.
I've found this works about 75% of the time. The other 25% the chain will get hung up on something and require me to use my fingers like you did to unstick it.
I had a bike that liked to drop the chain off the front no matter how much I adjusted the front derailleur, so I got pretty good at getting it back on without stopping.