What is "doorknockers"

Usage examples of "doorknockers".

Is he really going to sit still while we trundle the doorknockers up to his front porch?

Efreet statues supported iron braziers where crabs boiled and peppers sizzled, oathbinder genies frowned from building-spanning mosaics overlooking the market's transactions, marids clung to high corners as gargoyle waterspouts, harim servant genies glared from doorknockers, even noble djinn swung as string puppets from the kiosks of toymakers.