As always, a good discussion that raises a bunch of relevant issues to mull over. I have decided, based on previous posts, to buy some forged combine guards, which are basically 6" long "tooth pairs", $6 each at TSC, and weld them to a strap of 3/8" steel, which I will bolt to the lip with maybe 3 or 4 elevator-style bolts. I hope to do all this for about $50-60 total (figuring 0 for the welding). Since I have a special purpose- busting up ground-up asphalt road material piles, it oughta work. But the discussion is great! Hope to post a photo when I get it on the bucket.