LifestyleFamily of CoopersTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyle02/14/2014February 14, 2014Karl and Andreas Assmann are coopers, master craftsmen who make oak wine casks. It's a skill that's becoming rarer and rarer in the modern world.https://p.dw.com/p/1B8J6Advertisement