| Answer | Crossword Clue |
|---|---|
| ONYX | Stone used for chess sets |
| ONYX | Material used in many high-end chess sets |
| pozzolana | A type of volcanic ash used for mortar or for cement that sets under water |
| plugs | artificial fishing lure used primarily for casting and made with one or more sets of gang hooks |
| skids | timber, bar, rail, pole, or log used in pairs or sets to form a slideway (as for an incline from a truck to the sidewalk) |
| skidproof | timber, bar, rail, pole, or log used in pairs or sets to form a slideway (as for an incline from a truck to the sidewalk) |
