Flow is a wearable device designed to help people who stutter by turning scientific research on vibrotactile therapy into a discreet, personal, and easy-to-use everyday product.
2026
- Research
- About 1% of adults worldwide stutter. Existing assistive solutions rely only on auditory feedback, and are often ineffective and stigmatizing.
- Technology
- Rhythmic vibrations between 60 and 80 bpm act as a subtle “internal metronome” that supports the body’s natural sense of speech control.
- Prototype
- Developed through hands-on prototyping and tested with a person who stutters. Injection-molded PC/ABS body, a single recessed button and battery indicator lights.
- Ecosystem
- Three accessories for different wearing positions, plus an app for autonomous management, health monitoring and repair guidance.

English, C1 level
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