Related Clues:

• It fingers ringers
• 'Killer' PC program
• Hammerlock, e.g.
• PC program
• Shot taker
• Reservation
• Wait on the line
• PC software
• Dashboard device
• Hang on to
• Kodak product
• Source of a parting shot?
• iTunes download
• Tripod topper
• Spreadsheet, e.g.