Stair dust corners introduced at the end of the 19th century to make sweeping easier. They keep dust from accumulating in the corners : r/Damnthatsinteresting
100/200PS Stair Dust Corners Decorative Corner Dustproof for Home Cabinet Drawer | eBay
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Lot of 8 Side Vintage Decorative Antique Solid Brass Ornate - Etsy
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