Related Clues:

• Secret look
• Cursory examination
• Humbug
• Use a home office machine
• Nest sound
• Do a checkout chore
• Chick's pronouncement
• Sneak a look
• Check for blips
• Spy
• Claptrap
• Furtive glance
• Slightest sound
• Use binoculars, say
• Preparation for surgery, perhaps