Flat whisk. Anne-Lise Reinsfelt/Norsk Folkemuseum / wikimedia / 2012 / CC BY-SA 3.0
Flat whisks look somewhat like a spatula. The shape lets you get right into the sides and bottom of a pot.
Fans swear by them for any sauce being made in a low pot, including gravy.
You can also use them to lift poached eggs out of water.
Language Notes
AKA Pan Whisks, Roux Whisks
Flat whisk. Olve Utne / wikimedia / 2007 / CC BY-SA 2.5