4 ms·Yes, sorely missing descriptions of how the locks looked and worked.by namanyayg 8y agoYes, sorely missing descriptions of how the locks looked and worked.Tomte 8y agoThere are two videos linked in the article which show in much detail how it works.com2kid 8y agoOn mobile, not always in a place where viewing video is possible. A simple paragraph, as written by the first reply to my comment, would've helped round out the article's text.