Related Clues:

• Sibilant hail
• (Check this out!)
• (Check this out)
• 'Yo - check this out!'
• 'Hey, you!' but quieter
• 'Look this way!'
• Discreet 'Hey!'
• Discreet 'Hey, you!'
• Sibilant summoning sound
• 'Over here!' whisper
• Hushed summons
• 'Hey, you ... yeah, you!'
• 'Hey,' sneakily
• Starts off puzzle solving slowly, teaser that demands attention
• “Hey! Look here!”