Abstract: A feed shoe having at least one feed chamber with an open bottom portion and an open front portion whereat a gate is provided. The gate can be vertically adjustable and can have a lower edge defining a leading edge of the feed chamber, wherein the leading edge can have a flat, serrated, or rounded profile depending upon the type of feed material used. The gate, or a separate main gate adjacent the gate, can have a flat, curved, or V-shaped inner surface facing the feed chamber, wherein a lower portion of the inner surface can have a stepped profile which shears the material in the feed chamber in separate planes. The feed shoe can further include an attachment portion adapted for adjustably retaining an end of at least one material feed delivery member in communication with said at least one feed chamber.