Multimedia installation (2013, 40', loop) using sound wave interference with an object. The video material is the result of a sinusoidal wave recording and the actual vibration of the objects. Use | less has a site-specific character to its activity, the foundation of which is the actual exhibition space. In this case, the starting points were the bookcases hidden in the recesses of the wall of the Wroclaw Ballestrem Palace, which were filled with glass jars, as well as the sound generated by the movement between the glass surfaces.