Rheinmetall ROSY – The unique new Rosy_L smoke protection system offers light military and civilian vehicles protection from unexpected attacks, e.g. during patrols or when travelling in convoys.
See here how to operate the System: part 2: Installation of the magazines
Learn more about the ROSY Rapid Obscuring System on the Rheinmetall website:
http://www.rheinmetall-defence.com