Related Clues:

• Double-crosser
• Plumber's tool
• Adder, e.g.
• Herpetology subject
• Jackson Hole's river
• Untrustworthy sort
• It has sliding scales
• Weave in and out
• Plumber's aid
• Anaconda, e.g.
• Word with eyes or oil
• Plumber's device
• Drain cleaner
• What a charmer may charm
• Treacherous one