@litt17 Thank you! When I was a kid, we were forced to write with fountain pen at school (from 7 years old to around 15) and unfortunately, this type of pen still reminds me the empty ink refill in critical moment (a test! 😅 ) or the nib that suddently is super dry or all the opposite: leaking a lot. But I should try again.
My sketchbook is done on transport, on bed, when waiting... the ballpoint pen I put inside the pages of the sketchbook is always working perfectly and has a long duration.