Crazy but Brilliant: Japan's One-of-a-Kind Inventions

GlacierCourier Updated 2025-08-21

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12. Japanese Scream Jar

What it is: A soundproof jar for stress relief
Invented: 2016
Average Price: $81.72 The Banraishop Scream Jar Voice Silencer lets you scream into it to release stress. The jar muffles sound, allowing only a faint murmur to escape.

Scream Jar in Japanese @John P. Pinterest/MMcCartney While primarily used for stress relief, it’s also helpful for karaoke practice.

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Comments

AlloyNavigator 08/14/2025

Calibrates expectations deftly.
LunarFathom 08/30/2025

Adds a humane systems lens.
LanternWarden 07/18/2025

Good seed for cross-training.