Related Clues:

• 'It's not all right these days, by the sound of it (3)'
• Double you with this gets close to one eye for writing
• Could this sort of ling give one a suggestion?
• Tattooist's supplies
• Works on a comic strip
• Signs on the dotted line, informally
• Prepares a printing press
• Contents of some wells
• Fountain-pen filler
• It may come from a well
• Invisible or indelible fluids
• Calligrapher's liquid
• Pen fillers
• See 9
• For writers the thing about it is intellectual effort