Porcelain.
pronator teres and supinator
Turn that knob to activate the pressure.The knob on the door was stuck solid.
infinitydecor.co.uk/product/ball-door-knob-polished-brass/
You will need a door knob boring tool to accomplish this task.
The door knob is a lever
The door knob to the shed is in the sandbox, the key to that door knob is under the front door mat.
my door has a cool knob
If a door is locked, no, the raccoon cannot open the door. However, if the door is not locked, a raccoon can learn to operate a door knob and get inside.
a door knob
...well... you could describe it as a brass door knob or an old squeeky antique door knob with an elegant floral pattern. Clear transparent crystal , smooth metal door knob, renaissance style, ancient and rusty, moldy, black bronze, ... or glossy marble like porcelain door knob. That's all I can think up of.
A door handle is a horizontal piece of metal that you pull downwards to open the door, while a door knob is a spherical piece of metal you twist to open the door.