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Introduction
How it works
A split pin holds two pieces of card together but lets them turn, like your elbow. Pinned strips push and pull each other. A pin through the base card stays put, and strips swing round it.
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Introduction
A split pin holds two pieces of card together but lets them turn, like your elbow. Pinned strips push and pull each other. A pin through the base card stays put, and strips swing round it.