Related Clues:

• Electrician's unit
• Bit of smoke
• Bit of juice
• Electrical measure
• Tenuous fragment
• Part of a smoke screen?
• Thin streak
• Lightning unit
• Smidgen of smoke
• Fencer's move
• Faint trace
• Will-o'-the-___
• Thin puff of smoke
• Bit of a cloud
• Thin lock