Place a stopper in the sink.
Fill the sink to the halfway point with warm water.
Pour 1/4 cup of baking soda into the sink.
Turn the disposal on and remove the stopper.
Turn the disposal off after the water recedes from the sink.
Turn off the disposer and the water.
Enter one end of the self-service wrenchette or Allen wrench into the hole in the bottom of the device.
Move the wrenchette back and forth until you are able to turn it one full rotation.
Use tongs to remove any items that are stuck in the disposal opening.
Wait three to five minutes, then lightly press the red button on the bottom of the disposal.