Related Clues:

• Beach home?
• Beach collectible
• Combing find
• Turtle's 'home'
• Hard outer covering
• Carapace or cartridge
• Carapace or explosive missile
• Carapace found on the beach
• Shades, perhaps, of what's hard outside
• The ocean is certainly not heavenly and it is hard
• It's hard to find the ocean that's not heavenly
• Shades of having a hard cover
• It's hard to cover the shades with this, perhaps
• Shades, perhaps, of being hard outside
• It's so hard that there's nothing heavenly under the ocean