Bendable rock - GIF

Itacolumite, a type of sandstone that is flexible when cut into strips.

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Previously:

https://www.homemadetools.net/forum/...998#post207168
https://www.homemadetools.net/forum/...375#post192629
https://www.homemadetools.net/forum/...380#post200434
https://www.homemadetools.net/forum/...654#post163073
https://www.homemadetools.net/forum/...966#post187274