Cello
fountain/ink pens, gel, ballpoint, extra dark pencils, colour pencils, smooth sharpening, lasts longer
Ink flow, darkness
The ink looks faded at the beginning and darkens only after a few days of usage; the ink flow is not consistent, so one has to scribble a few times before actually writing. The ink is a bit light sometimes, so a lot of pressure has to be put. 
The ink looks faded at the beginning and darkens only after a few days of usage; the ink flow is not consistent, so one has to scribble a few times before actually writing. The ink is a bit light sometimes, so a lot of pressure has to be put. 