Related Clues:

• Pool accessory
• Message in a bottle, maybe
• Boating mishap
• Extremity
• Reminder
• La gniappe
• Sign of trouble
• Message from a desert isle, perhaps
• Dashed-off plea?
• Dot, dot, dot, dash, dash, dash, dot, dot, dot
• Smoke signal message, maybe
• Leave a little extra
• It may be 20%
• Sinker's call
• Actor's signal