In a workshop Friday at the Hackers On Planet Earth conference in New York, a German hacker and security consultant who goes by the name "Ray" demonstrated a looming problem for handcuff makers hoping to restrict the distribution of the keys that open their cuffs: With plastic copies he cheaply produced with a laser-cutter and a 3D printer, he was able to open handcuffs built by the German firm Bo
![Hacker Opens High Security Handcuffs With 3D-Printed And Laser-Cut Keys](https://cdn-ak-scissors.b.st-hatena.com/image/square/4a52ddc09976e056be688d476a80802f283c0105/height=288;version=1;width=512/https%3A%2F%2Fimageio.forbes.com%2Fblogs-images%2Fthumbnails%2Fblog_948%2Fpt_948_7084_o.jpg%3Fformat%3Djpg%26height%3D900%26width%3D1600%26fit%3Dbounds)