Do a search for some tips on this.
Some folks have used a "cow mat" attached like a squeegee to the bottom of the blade. Buy the cow mat at TSC.
I just had my driveway done in the spring. It isn't as hard as it was. So, I plan to either attach a heater hose to the leading edge of my FEL by slitting the hose and gooping it in place or buying a BB and putting a cow mat onto it. Haven't figured out yet which (or both maybe). Plan to go to the dealer to get a MacKissic shredder and will price a BB.
Ralph