There are many theories to explain the relationship between movement of hands and brain. The subject is a right-hand user and she would like to use the left hand more frequently. The intervention in the body is to restrict the movement in the right hand and if possible delay even its slightest actions. This will increase the left hand movement and the use of left hand will be more than right hand. The intervention also is seen an an entity of its own and not just when there is a user. It also has other side effects as to the way people around interact with that side of the user.