OK, finally figured this out (I think). With this border, you use the stakes by HANGING the lip on the low part of the curve inside the area, and then pounding in. That's why the stakes don't have a head on them, and the trim has no inside tabs. The pic clearly shows the item! No tabs. This is a seller error, as the instructions provided, clearly show TABS AND NAIL HEADS. Haven't installed yet, but will provide update. Figured 2 boxes couldn't both be defective. AHA, then noticed the lip on the stakes. Only logical solution.
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