Step 3: Then, because the deck is tilted rearward, a third cut is made as the blade revolves to the rear.

Step 4: The unique design circulates these pieces through the deck housing where they are cut over and over.

Steps 5 & 6: The tiny clippings are then deposited at the front of the deck. Lift created from the twin blades draws larger pieces back into the deck to be mulched again.