Possible Clues:

• One's chinned a supporter after game
• Attack the same point twice — that's on the chin
• Part of Duchamp's parody of the 'Mona Lisa'
• Graffiti artist's addition
• The devil is often depicted with one
• Go with your beard to where there's driving
• Colonel Sanders wore one
• Cousin of a vandyke
• Hirsute adornment
• Uncle Sam facial feature