the glass where you're going to place
Doorhickey® handle by turning it
counter-clockwise several revolutions.
the suction cup against the surface.*
the handle clockwise until it becomes
difficult to continue. This will tighten
the vacuum hold.
the door open and closed with your elbow.
*Moisten very slightly, if necessarily.
Simply turn the Doorhickey handle counter-clockwise several revolutions until you can use your fingertip to easily remove the suction cup from the glass.