Related:

• Socks are the larval stage of coat-hangers.
• Bugs, like coat hangers, breed if unobserved.
• Grape: Uninteresting larval stage of wine.
• Somebody ought to cross ballpoint pens with coat hangers, so that the pens will multiply instead of disappearing.
• Somebody ought to cross ball point pens with coat hangers so that the pens will multiply instead of disappear.
• heads down [Sun] adj. Concentrating, usually so heavily and for so long that everything outside the focus area is missed.
  See also hack mode and larval stage, although this mode is hardly confined to fledgling hackers....
• A stage? No, this is not a stage.