Possible Clues:

• ... a detective who likes as much of an edge as possible?
• More astute
• Swindler (at cards)
• What festival photogs want their pics to be
• More tart
• Keener criminal further up the scale
• Cheat at cards
• Having a better edge
• Generous type perhaps keeping quiet when cheat appears
• The Music "No Weapon ___ Than Will"