Solid Brass Mail Slot Hood For Open Back Plates

I have a door with mail slot, and I don't understand how that hood helps with privacy exactly I can see how it would keep the mail closer

privacy accessory compatible with DTMS003, DTMS211, and DTMS212 mail slot models For use on both wood and metal doors Available in Polished Brass, Antique

mailbox with slot and lock Check out our lowest priced option within Mail Slots, the Mail Slot Sleeve Accessory, Stainless Steel by Architectural Mailboxes California Privacy Rights &

mail slot for front door Letter Box Hood $