Related Clues:

• Install on a wall
• The write stuff?
• Ballpoint filler
• Tattoo stuff
• Media attention, slangily
• Install on the wall
• Fail to break, as a curveball
• Squid juice?
• Part of a squid's arsenal
• Install, as drapes
• Tattoo parlor supply
• Loiter, nowadays
• Put up some paintings
• Tattoo artist's need
• Fluid in wells