Related Clues:

• Writes
• Ballpoints, e.g.
• Highlighters, e.g.
• Farm enclosures
• Bar rooms?
• Stock holders?
• Stock holders
• Puts away
• Hog homes
• They contain human cells
• Puts behind bars
• Signing-ceremony implements
• Zoo sights
• They used to be lowered into wells
• They may click with writers