Related Clues:

• Contents of some cartridges
• Body art, for short
• Quill need
• Pad or well starter
• Cuttlefish defense
• Stubborn laundry stain
• Press coverage
• Calligrapher's supply
• Fluid in a well
• Cuttlefish protector
• Stamp-pad fluid
• Needlework design?
• Well fluid
• See 35 Across
• Cartridge filler, often