I chose my blower because it had the biggest skid shoes I could find. Even then, I find it works better (less rock) if I hold the blower off the ground early in the season. Once I build up a layer of hard packed snow I drop the blower down on the shoes.
During a thaw I might also hold the blower off the ground if required to keep from breaking up my base.
I missed seeing a newspaper (light falling snow had covered it) and I picked it up in the blower. It wedged in the fan and what a job I had trying to get it out! It was so tight I couldn't get force the fan backwards or forwards so had to try to rip it apart and beat it to pieces with a ripping bar I carried to help remove snow from a plugged chute. I have great respect for newspapers now and pay special attention to any driveways where I think there might be a paper.
I was a mile or more from home and don't normally carry a propane torch with me.