These will even come with a custom leather pen case. (bitcoinist.com)
The first time I actually had to appear as a witness in court is still clear in my memory, partly because the so - called «ballpoint pen case» drew a lot of publicity. (sciencemag.org)
Those inks are expensive and don't dry quickly, so Russo created a workaround, filling a regular roller ball pen case with an ink she developed. (discovermagazine.com)