DOORKNOB

• Handle

• Impromptu coat hanger

• It plays a part in openings and closings

• It plays a part in some openings

• It's good for openers

• Item hooked to a heating coil in Home Alone

• Necessity for an opening act?

• Opening necessity?

• A knob used to release the catch when opening a door (often called `doorhandle' in Great Britain)