Soft or deformable tools
Hand auger / drain snake
Hand auger / drain snake: Clears certain drain obstructions at a broad recognition level. Accepted recognition cues: coiled flexible cable and manual crank or feed housing.

- Primary use
- Clears certain drain obstructions at a broad recognition level.
- Recognition cues
- coiled flexible cable; manual crank or feed housing
- Evidence
- Entry-level-adjacent support; watchlist
- Scope
- Watchlist or reference-only
- Practice status
- Reference-only; excluded from scored practice.
Reference-only restriction
This tool stays reference-only because its sources carry a caution about its scope or identification. It never appears as a scored answer option.