Related Clues:

• Brillo shelfmate
• Soap-pad brand
• Urgent request to the USCG
• "Help!" at sea
• 'Save me!'
• "H-E-L-P!"
• Maritime distress signal
• Sailor's "Mayday!"
• Call in a watery calamity
• Message in a storm
• Nine-symbol message
• Letters seeking aid
• Distressed damsel's cry
• Flare, maybe
• Big name in scouring pads