Related Clues:

• Clock, say
• If you send this up, watch it, perhaps
• Just watch how this may be a send-up
• Watch how you send up for this
• Send back the clock?
• An old one might be an antique clock
• It helps to prevent one from being hard-boiled
• Watch this and send it back
• Watch this. Send it back
• Will this tell you how long to have what's been laid in Boyle, by the sound of it
• Hourglass, e.g
• Proctor's need
• Boggle piece
• Clock or watch
• Settle up for a clocklike device