A typical hardware hacking project while working at STEIM: Jane Henry approached us with a ‘Jingle Bells’ melody-greeting-card whose almost drained battery caused it to sound like Jimi Hendrix thru Granular Synthesis. In order to make the process a little more controllable we fed it with a fresh battery combined with a pressure sensor that would reduce the supply voltage. In addition a set of mercury switches combined with a resistor ladder would create even further disturbances and interruptions. The latter was moulded into a sort of anklet, while the pressure pad would go between Jane’s toes.