This is mainly for my benefit; rather like listing tools used. If I keep a record of what pen and inks I'm using every week so often, I can see what keeps cropping up, and whatever vanishes from sight can be disposed of.
See? I'm totally going to stay on top of this thing from the start.
Yes, I am.
Should a flicker of interest flare briefly in anyone and they want further illumination of any aspect, speak up.