Possible Clues:

• Chinese checkers piece
• Coat-tree part
• Wooden pin for a hat
• Cribbage game piece
• Tricky Triangle piece
• Identify exactly
• Margaret briefly referred to fixture for hanging
• Tuning pin on a violin
• Steely Dan hit with the lyrics "So won't you smile for the camera? / I know I'll love you better"
• Cribbage player's concern