Chop onions, vegetables, herbs and more just like a professional. Just press the soft knob of this chopper and the blades will rotate for even chopping. Shock is absorbed by an internal soft bumper which increases comfort and sound quality. Knob locks down for compact storage. Ingredients can either be chopped in the enclosed, removable cup or directly on a cutting board. Cup is easy to remove with a simple twist. Blade cartridge is easy to remove for cleaning up. Includes a spoon for scooping. Dishwasher safe.