Flush Fit Retractable Tie Down AnchorsBull Rings are the premium tie down anchor point for your truck. While the stock anchors points are inside the bed where its hard to reach, Bull Rings retractable anchor points easily install into the stake pockets on top of your bed rails. Our Flush model sits in line with the railcaps for a flush, clean look. and makes them compatible with Tonneau covers. orks with truck models that have pop out rail cap covers. Simply pop the stainless steel anchor