That sucks. I have a habit of turning my blades off when I'm on the driveway, because in my first year when I was working for a company, I was crossing the driveway and not looking or something, and the next thing ya know, I had ran over an entire Sunday newspaper!!! Talk about a mess. It was not fun to clean up!! This may be a bit off topic, but it reminded me of one of my more embarrassing moments.