Related Clues:

• Knights' fights
• Arcade setbacks
• Tilts or slants
• Pinball game stoppers
• Isn’t quite straight
• Isn't fully vertical
• Fights with a lance
• Leans to one side
• Leans slightly
• Pinball no-nos
• Jousting matches
• Pinball flubs
• Arcade violations
• Sprats' concerns
• Isn't quite perpendicular