Christmas Carol

• Oyster

  Symbolic of capitalism
• Pearl

  Symbolic of Scrooge
• The real Scrooge has been covered by capitalism

  The shell of the oyster is so strong, that an otherworldly force is only able to break it
• Solitary

  Scrooge is lonely, however it is a forced loneliness
• what are the 4 devices in "solitary as an oyster"

  simile, adjective (solitary), symbolism (oyster), foreshadowing