Wild Yet Genius: Japan’s Most Unusual Inventions

2. Face Trainer

What it is: A mouth-held device that tones facial muscles Created: Unknown Average Price: $37

Resembling a movie prop, this pink elastomer tool firms cheeks and jawlines in just three minutes a day.

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Twitter.com/DEJAPAN_Global/Face Trainer

Available in two strengths and sized at 2.1" × 1.3", it even aids patients who need help rebuilding facial control.