When storing denser and non-free-flowing feeds like soy beans, it's recommended that the feed bin hopper seam stiffeners be added. They are L-brackets that provide extra support to the seams of the hopper section. They are standard and included with any of the large 9' diameter grain bins, but should be added to the 6-foot and 7-foot bins for non-standard feeds. These include any of the high-fat content feeds.