Abstract: A method and apparatus for converting a conventional rotary mower to a shredder which includes cutting an aperture or hole in a deck of the mower above the cutting blades thereof, positioning and affixing to the deck a feeding assembly above the hole; and interposing between the hole and the feeding assembly a plurality of triangular resilient fingers depressible to permit feeding of an object to be shredded therethrough and elastically returnable to prevent debris from being thrown back up through the hole by action of the cutting blade of the mower.