Step 1:

This is your clogged kitchen sink.

Step 2:

Try using a plunger on the kitchen sink. Push and pull with the vaccum of the plunger

Step 3:

If that does not work, you can clean the water trap below the sink. There are two popular types of traps - Tubular Traps and Bottle Traps.

Step 4:

Using a monkey-wrench open the traps at marked positions.

Step 5:

Now the parts can be removed, locked water will fall from the pipe.

Step 6:

Clean any blockage in the pipe using a wire. Screw back when done.