Related Clues:

• Revolving ___
• It might become unhinged
• Drawer alternative
• It can open (and close!)
• Posh person picked up some butter
• Advent calendar flap
• Thing you open
• Visit either partner's house
• Handle king, then aristocrat
• Next-___ neighbor
• Keyhole's place
• Handle a bit of butter
• Word before "trap" and "bell"
• It opens and closes
• A round handle