Patent ID: 6952892

Claim:
A method comprising: obtaining a lip having an upper surface, a lower surface, a front portion, a rear portion, a plurality of holes disposed between the front portion and the rear portion and extending from the upper surface to the lower surface, and a plurality of support members, wherein each support member is disposed adjacent to a hole from the plurality of holes and inhibits lateral movement of a tooth assembly coupled to the hole, and attaching a plurality of tooth assemblies to the lip, wherein the tooth assemblies extend away from the lip and are respectively coupled to the lip via the plurality of holes, wherein the plurality of holes is a first plurality of holes, and wherein the lip further comprises a second plurality of holes disposed at the front portion of the lip and wherein a plurality of lip shrouds are on the front portion of the lip, wherein the lip shrouds in the plurality of lip shrouds are respectively coupled to the lip via the second plurality of holes, and wherein the front portion includes projections and valleys, and wherein each of the second plurality of holes is disposed between adjacent valleys.