Related Clues:

• Starting signal
• 'The Hustler' prop
• Actor's accessory
• Stage support
• Stage prompt
• Means of support
• Actors wait for it
• Mnemonic device
• Skull in 'Hamlet,' e.g.
• Actor activator
• Stage equipment
• Conductor's signal
• Two-pound weight marked "One Ton," e.g.
• Shuffleboard stick
• Support (with "up")