[header] How to clean kitchen cabinet knobs [title] Remove the knobs from the cabinets with a screwdriver. [step] Many cleaning detergents and hard scrubbing can damage the wood of the cabinets. The backs of the knobs can also be an area where grime builds up; removing the knobs allows you to clean all of these areas. 
[title] Hold the knob tightly in one hand while turning the screwdriver counterclockwise in the screw on the back of the door. [title] Remove the screws from the backs of the doors and set them aside for later.