Ting-Yu is a physical experience designer / theatrical installation artist from Taiwan. Her practices mainly focus on concept of object narratives, human nature, and exploring different ways of storytelling.
She is enthusiastic in experimenting and developing narrative mechanics to involve her audiences into structures and lead them to unravel stories by themselves, making people get a sense of living in the scenarios and result in meaningful interactions throughout the experiences.

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Ting-Yu is a theatrical installation artist from Taiwan. Her practices mainly focus on concept of object narratives, human nature, and exploring different ways of storytelling.
She is enthusiastic in experimenting and developing narrative mechanics to involve her audiences into structures and lead them to unravel stories by themselves, making people get a sense of living in the scenarios and result in meaningful interactions throughout the experiences.

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MR. HERMAN
May-2018




A Series of Narrative Devices
by Ting-Yu Lee
Oh No Mama is Coming is a series of low-tech automatic devices that investigate the act of “sneaking.” What appears at first as a simple or unconscious behavior—hiding something when authority approaches—reveals itself, on closer inspection, to be intricate and highly choreographed. Sneaking requires anticipation, quick improvisation, and the careful management of both evidence and emotion, often accompanied by a quiet satisfaction when detection is successfully avoided.

These devices serve as an outlet for the concealed anxieties and strategies of sneaking; they allow the tacit complexities of everyday avoidance to be externalized, exaggerated, and translated into physical action. Installed on a desk in a domestic setting, the mechanisms are triggered when a door opens, performing clumsy, conspicuous attempts to hide. In their exaggerated functionality, the devices reveal the absurdity and theatricality of sneaking, offering real rescue through mechanisms that appear comically excessive.






The project emerged from an exploration of Slow Design under the theme of “simplicity and complexity.” By collecting and documenting my own sneaky behaviors step by step, I discovered that what feels natural and immediate is in fact a layered process involving surveillance, anticipation, and contingency planning. Through analyzing these patterns, I translated the hidden logic of sneaking into mechanical form, producing devices that stage the psychological drama of concealment.




Tired of getting caught red-handed?
Introducing the world’s first series of low-tech rescue devices engineered to protect your precious moments of freedom. Whether you’re enjoying forbidden snacks, blasting rock music, or indulging in guilty pleasures during “study time,” these ingenious mechanisms are here to defend your secret life.

Installed discreetly on any desk, OH NO MAMA IS COMING™ devices spring into action the instant a door creaks open. With lightning reflexes and over-the-top choreography, they shuffle, hide, and mask your evidence—often with more enthusiasm than precision.









What makes them special?
  • Automatic Defense: A hidden switch detects intrusions the moment the doorknob turns.
  • Comedic Efficiency: Why hide quietly when you can perform a full-scale rescue?
  • Peace of Mind: Finally, no more blame for sneaking a break—you’ve got technology on your side.

Critics are calling it “the most unnecessary yet essential invention of the year,” while early users report “a strange joy in watching my secrets clumsily protected.”

Because in the theater of sneaking, every second counts.
OH NO MAMA IS COMING™ — Don’t get caught, get clever. 

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