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In this paper, we explore the use of movement qualities as interaction modality. The notion of movement qualities is widely used in dance practice and can be understood as how the movement is performed, independently of its specific trajectory in space. We implemented our approach in the context of an artistic installation called A light touch. This installation invites the participant to interact with a moving light spot reacting to the hand movement qualities. We conducted a user experiment that showed that such an interaction based on movement qualities tends to enhance the user experience favouring explorative and expressive usage.