A classic technique that can be used to put the submissive into a bottom mind space is to humiliate them while also providing them with sexual stimulation.
Select individuals who desire this form of humiliation also use it to acquire emotional release.
The most common name for the individual being humiliated is the bottom, and the opposite individual who humiliates the bottom is often called the top.
It does not need to be sexual in nature; as with many other sexual activities, it is the feelings that are obtained from the experience that are desired, regardless of the nature of the actual activity.
Usually there is a feeling of submission for the person being humiliated, and dominance, for the person implementing the humiliation.