Related Clues:

• Comment off the main point
• Remark to the audience
• Parenthetical bit
• Set ___ (save)
• Item in an actor's hand
• Amp attachment
• Kind of plane
• Line to the audience
• Cassette front
• Tent pole, e.g.
• Charlie Chaplin's cane, e.g.
• Stage whisper
• It's not on the main 83-Across
• Writer's digression
• Actor's accessory