Related Clues:

• Collars, as cons
• Catches, as a perp
• Apprehends, as perps
• Unforeseen hazards
• Holdups
• Hooks
• Parts of drum kits
• Film editor's raw material
• Picks off, as a pass
• Slight difficulties
• Hidden obstacles
• Unforeseen problems
• Starts a run?
• Small setbacks
• Impounds