Related Clues:

• "Hey, listen up!"
• Quiet supersonic transport is an attention grabber
• Call for attention from vessel in training
• Way to support rider over here!
• Hissing noise to attract attention
• I'm said to attract people on the quiet
• Rider way over here!
• Sound used to attract someone's attention
• Guards in training attempt to make secret contact
• Ship partaking in exercises in attempt to attract attention
• Attention-seeker taking part in worship's stupid
• Snap one's fingers at, ultimately — that'll attract attention
• On reflection, not all patient's spots call for attention
• Rider's way to attract attention, making this sound?
• Noise to attract attention