Assertion: fountain pen's nib | /r/HasProperty | no feed
Facets:
value: with hidden passages
type: OTHER
Source sentences:
text: In a calligrapher’s dip pen any separation of solid components is not a problem because the nib is easy to remove and clean and because there is no feed with hidden passages to clog.
text: Increase the ink flow: Holding the pen on a large open desk with the nib pointed upright, and looking at the underside of the nib (the feed), catch each shoulder of the nib with your thumbnails.