Related Clues:

• Serving need
• Kind of artist
• Badminton need
• Confidence trick
• Put one over on
• Take for a ride, so to speak
• Grifter's specialty
• Bit of bunco
• Fleecing activity
• Grifter's ploy
• Ensnaring scheme
• Dupe's undoing
• Shady deal
• Pyramid scheme, for one
• Pyramid scheme, e.g.