Related Clues:

• She will, in short, have shades of this on the outside
• The woman will be hard outside
• The lady will shortly be hard outside
• Shades of being hard outside
• Shell needs us, by the sound of it, to be awake
• Irish, red and dead; he'll see it on the beach
• Turtle's protection
• Hatchling's former home
• See 27
• See 18
• Remark by unhappy sailor washed up on the shore?
• The marine creature is fairly quick, according to Spooner
• Case put under fire
• Shell that is going away from one opposed to warfare
• Marine invertebrate put right back if put away outside