This Paperclip is made of Nitinol.
You can bend it into any other shape.
When you treat it with hot water or hot air stream or any else low temperatured heat (45°C / 115°F) it will intandly spring back into the paperclip shape! Open mouth of your audience is guaranteed.
Nitinol Formgedächtnislegierung Büroklammer Zaubertrick SMA Alloy Fuxus®
Shape memory alloy...
Recall Temperature 45°C

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