Inside a large chain factory.
<video controls autoplay loop style="max-width: 100%;">
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17488198370037.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
Carving a chain into a pencil lead - photos
How bling chains are made - GIF
How high tensile chain is made - GIF
Universal chain connector - GIF
