Related Clues:

• Offers for sale
• What Santa's mail consists of
• Isn't fully vertical
• To-do tallies
• Fights with a lance
• Leans to one side
• Mentions one-by-one
• Tilts (as a ship)
• Leans slightly
• Top Ten and to-do
• Pinball no-nos
• Jousting matches
• Pinball flubs
• Arcade violations
• Sprats' concerns