Cringe Devices

The cringe devices explore the relationship between function and purpose. They fulfill their purpose by creating gut-wrenching noises, yet are rendered functionless because no one would willingly subject themselves to auditory torture. If the cringe devices are functional through fulfilling their purpose, but that purpose is undesirable, can they still be considered functional?
The devices generate sound by scraping various materials against each other in different ways. The handheld slide cri