The “shut-up” hand. The invention is made with your hand making contact with someone’s face. Tends to work very well. 2/10 rating. Low rating because it’s a temporary effect. After that, they talk even more. Just use the “shut-up” hand again.
Randoms inventions you think of.
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Just post cool, random or helpful inventions that do or don't exist yet.
Such as:
A flower pot of this emoji: 🤯 But instead of the mushroom cloud, It was the flowers.