Related Clues:

• Warning
• Writing on the wall
• Sign of life
• Bodement
• Black cat, perhaps
• Black cat, to some
• Black cat, e.g.
• Blender button
• Black cat, say
• Gathering clouds, say
• Prophet's wish
• Breaking a mirror, maybe?
• Danger sign
• Sign of what's coming
• It may be taken at the wrist