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Sesi

Are you afraid of walking alone at night? Have you ever been restrained by someone with ill intentions, unable to break free? Or have you forgotten your self-defense product, or had it in your bag but couldn’t reach it because your arms were pinned?

ANALYSIS

Common danger scenes and body contact areas

Frequency of contact for different body parts

Definition of Active Area on Clothing

Limits of Current Products

Hurt yourself
Not enough time to react
Hands being controlled
Need bags, key chains, pockets

Core Goal

Create enough time to run away

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+ Look for Help

Further Considerations

Wearable and 
No self-reaction time required

Directly connected or in contact with the body

CONCEPT AND DESIGN

PROTOTYPE

SILENT MODE

the circuit connected

conductive copper tape

metal buttons

ALERT MODE

the circuit disconnected

Avoids sudden noise caused by unconscious touch in everyday scenarios.

SCENARIOS

Quick interaction

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​Cover as many different scenarios as possible

Fashionable and

Strong color contrast

Smooth silhouette

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Lightweight and breathable
Natural and harmonious

Easy to match

Encourages the target audience to wear it

© 2025 By Yiqiu Wang

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